From 8607c2574b0ea85a4074fab259ead1bc20647440 Mon Sep 17 00:00:00 2001 From: David Adrian Date: Mon, 16 Sep 2013 21:53:13 -0400 Subject: [PATCH] Move filter files into src/ - Makefile still needs work, is not compiling --- filter_sandbox/.gitignore | 2 - filter_sandbox/Makefile | 8 - filter_sandbox/README | 7 - filter_sandbox/lex.yy.c | 1807 --------------------- filter_sandbox/parser.y | 347 ---- filter_sandbox/scanner.l | 256 --- filter_sandbox/y.output | 303 ---- filter_sandbox/y.tab.c | 1687 ------------------- filter_sandbox/y.tab.h | 80 - filter_sandbox/tree.c => src/expression.c | 0 filter_sandbox/tree.h => src/expression.h | 0 src/zmap.c | 1229 +++++++------- {filter_sandbox => src}/zmap.l | 2 +- {filter_sandbox => src}/zmap.y | 9 +- 14 files changed, 609 insertions(+), 5128 deletions(-) delete mode 100644 filter_sandbox/.gitignore delete mode 100644 filter_sandbox/Makefile delete mode 100644 filter_sandbox/README delete mode 100644 filter_sandbox/lex.yy.c delete mode 100644 filter_sandbox/parser.y delete mode 100644 filter_sandbox/scanner.l delete mode 100644 filter_sandbox/y.output delete mode 100644 filter_sandbox/y.tab.c delete mode 100644 filter_sandbox/y.tab.h rename filter_sandbox/tree.c => src/expression.c (100%) rename filter_sandbox/tree.h => src/expression.h (100%) rename {filter_sandbox => src}/zmap.l (96%) rename {filter_sandbox => src}/zmap.y (97%) diff --git a/filter_sandbox/.gitignore b/filter_sandbox/.gitignore deleted file mode 100644 index 2883a20..0000000 --- a/filter_sandbox/.gitignore +++ /dev/null @@ -1,2 +0,0 @@ -.output -test diff --git a/filter_sandbox/Makefile b/filter_sandbox/Makefile deleted file mode 100644 index 243e279..0000000 --- a/filter_sandbox/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -all: - gcc -c tree.c -o tree.o - lex zmap.l - yacc -d --debug --verbose zmap.y - gcc tree.o lex.yy.c y.tab.c -o test - -clean: - rm *.o a.out test diff --git a/filter_sandbox/README b/filter_sandbox/README deleted file mode 100644 index 5f20d79..0000000 --- a/filter_sandbox/README +++ /dev/null @@ -1,7 +0,0 @@ -make - -./text - -Example Input: - -(ipaddr = 8 && herp = 6) || (field = value && yolo = swag) diff --git a/filter_sandbox/lex.yy.c b/filter_sandbox/lex.yy.c deleted file mode 100644 index 8c248d4..0000000 --- a/filter_sandbox/lex.yy.c +++ /dev/null @@ -1,1807 +0,0 @@ - -#line 3 "lex.yy.c" - -#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 35 -#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. */ - -/* 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 - -/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, - * if you want the limit (max/min) macros for int types. - */ -#ifndef __STDC_LIMIT_MACROS -#define __STDC_LIMIT_MACROS 1 -#endif - -#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; -typedef uint64_t flex_uint64_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 - -/* The "const" storage-class-modifier is valid. */ -#define YY_USE_CONST - -#else /* ! __cplusplus */ - -/* C99 requires __STDC__ to be defined as 1. */ -#if defined (__STDC__) - -#define YY_USE_CONST - -#endif /* defined (__STDC__) */ -#endif /* ! __cplusplus */ - -#ifdef YY_USE_CONST -#define yyconst const -#else -#define yyconst -#endif - -/* Returned upon end-of-file. */ -#define YY_NULL 0 - -/* Promotes a possibly negative, possibly signed char to an unsigned - * integer for use as an array index. If the signed char is negative, - * we want to instead treat it as an 8-bit unsigned char, hence the - * double cast. - */ -#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) - -/* Enter a start condition. This macro really ought to take a parameter, - * but we do it the disgusting crufty way forced on us by the ()-less - * definition of BEGIN. - */ -#define BEGIN (yy_start) = 1 + 2 * - -/* Translate the current start state into a value that can be later handed - * to BEGIN to return to the state. The YYSTATE alias is for lex - * compatibility. - */ -#define YY_START (((yy_start) - 1) / 2) -#define YYSTATE YY_START - -/* Action number for EOF rule of a given start state. */ -#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) - -/* Special action meaning "start processing a new file". */ -#define YY_NEW_FILE yyrestart(yyin ) - -#define YY_END_OF_BUFFER_CHAR 0 - -/* Size of default input buffer. */ -#ifndef YY_BUF_SIZE -#define YY_BUF_SIZE 16384 -#endif - -/* The state buf must be large enough to hold one state per character in the main buffer. - */ -#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) - -#ifndef YY_TYPEDEF_YY_BUFFER_STATE -#define YY_TYPEDEF_YY_BUFFER_STATE -typedef struct yy_buffer_state *YY_BUFFER_STATE; -#endif - -#ifndef YY_TYPEDEF_YY_SIZE_T -#define YY_TYPEDEF_YY_SIZE_T -typedef size_t yy_size_t; -#endif - -extern yy_size_t yyleng; - -extern FILE *yyin, *yyout; - -#define EOB_ACT_CONTINUE_SCAN 0 -#define EOB_ACT_END_OF_FILE 1 -#define EOB_ACT_LAST_MATCH 2 - - #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. */ \ - 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 + yyless_macro_arg - YY_MORE_ADJ; \ - YY_DO_BEFORE_ACTION; /* set up yytext again */ \ - } \ - while ( 0 ) - -#define unput(c) yyunput( c, (yytext_ptr) ) - -#ifndef YY_STRUCT_YY_BUFFER_STATE -#define YY_STRUCT_YY_BUFFER_STATE -struct yy_buffer_state - { - FILE *yy_input_file; - - char *yy_ch_buf; /* input buffer */ - char *yy_buf_pos; /* current position in input buffer */ - - /* Size of input buffer in bytes, not including room for EOB - * characters. - */ - yy_size_t yy_buf_size; - - /* Number of characters read into yy_ch_buf, not including EOB - * characters. - */ - yy_size_t yy_n_chars; - - /* Whether we "own" the buffer - i.e., we know we created it, - * and can realloc() it to grow it, and should free() it to - * delete it. - */ - int yy_is_our_buffer; - - /* Whether this is an "interactive" input source; if so, and - * if we're using stdio for input, then we want to use getc() - * instead of fread(), to make sure we stop fetching input after - * each newline. - */ - int yy_is_interactive; - - /* Whether we're considered to be at the beginning of a line. - * If so, '^' rules will be active on the next match, otherwise - * not. - */ - int yy_at_bol; - - 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 - * then we mark the buffer as YY_EOF_PENDING, to indicate that we - * shouldn't try reading from the input source any more. We might - * still have a bunch of tokens to match, though, because of - * possible backing-up. - * - * When we actually see the EOF, we change the status to "new" - * (via yyrestart()), so that the user can continue scanning by - * just pointing yyin at a new input file. - */ -#define YY_BUFFER_EOF_PENDING 2 - - }; -#endif /* !YY_STRUCT_YY_BUFFER_STATE */ - -/* 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_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 yy_size_t yy_n_chars; /* number of characters read into yy_ch_buf */ -yy_size_t yyleng; - -/* Points to current character in buffer. */ -static char *yy_c_buf_p = (char *) 0; -static int yy_init = 0; /* whether we need to initialize */ -static int yy_start = 0; /* start state number */ - -/* Flag which is used to allow yywrap()'s to do buffer switches - * instead of setting up a fresh yyin. A bit of a hack ... - */ -static int yy_did_buffer_switch_on_eof; - -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 ); - -#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) - -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,yy_size_t len ); - -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 ){ \ - 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 ){\ - 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_LVALUE->yy_at_bol) - -/* Begin user sect3 */ - -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 (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 = (yy_size_t) (yy_cp - yy_bp); \ - (yy_hold_char) = *yy_cp; \ - *yy_cp = '\0'; \ - (yy_c_buf_p) = yy_cp; - -#define YY_NUM_RULES 15 -#define YY_END_OF_BUFFER 16 -/* 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[26] = - { 0, - 0, 0, 16, 15, 3, 2, 15, 15, 12, 13, - 1, 11, 9, 10, 15, 15, 3, 4, 7, 1, - 6, 5, 14, 8, 0 - } ; - -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, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 2, 4, 1, 1, 1, 1, 5, 1, 6, - 7, 1, 1, 1, 1, 1, 1, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 1, 1, 9, - 10, 11, 1, 1, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, - 1, 1, 1, 1, 1, 1, 12, 12, 12, 12, - - 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 1, 13, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1 - } ; - -static yyconst flex_int32_t yy_meta[14] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, - 1, 2, 1 - } ; - -static yyconst flex_int16_t yy_base[27] = - { 0, - 0, 0, 24, 25, 21, 25, 12, 16, 25, 25, - 12, 9, 25, 8, 0, 4, 14, 25, 25, 7, - 25, 25, 0, 25, 25, 12 - } ; - -static yyconst flex_int16_t yy_def[27] = - { 0, - 25, 1, 25, 25, 25, 25, 25, 25, 25, 25, - 25, 25, 25, 25, 26, 25, 25, 25, 25, 25, - 25, 25, 26, 25, 0, 25 - } ; - -static yyconst flex_int16_t yy_nxt[39] = - { 0, - 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, - 14, 15, 16, 23, 20, 17, 24, 22, 21, 20, - 19, 18, 17, 25, 3, 25, 25, 25, 25, 25, - 25, 25, 25, 25, 25, 25, 25, 25 - } ; - -static yyconst flex_int16_t yy_chk[39] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 26, 20, 17, 16, 14, 12, 11, - 8, 7, 5, 3, 25, 25, 25, 25, 25, 25, - 25, 25, 25, 25, 25, 25, 25, 25 - } ; - -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. - */ -#define REJECT reject_used_but_not_detected -#define yymore() yymore_used_but_not_detected -#define YY_MORE_ADJ 0 -#define YY_RESTORE_YY_MORE_OFFSET -char *yytext; -#line 1 "zmap.l" -#line 2 "zmap.l" -#include -#include "y.tab.h" -#line 466 "lex.yy.c" - -#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 - -static int yy_init_globals (void ); - -/* Accessor methods to globals. - These are made visible to non-reentrant scanners for convenience. */ - -int yylex_destroy (void ); - -int yyget_debug (void ); - -void yyset_debug (int debug_flag ); - -YY_EXTRA_TYPE yyget_extra (void ); - -void yyset_extra (YY_EXTRA_TYPE user_defined ); - -FILE *yyget_in (void ); - -void yyset_in (FILE * in_str ); - -FILE *yyget_out (void ); - -void yyset_out (FILE * out_str ); - -yy_size_t yyget_leng (void ); - -char *yyget_text (void ); - -int yyget_lineno (void ); - -void yyset_lineno (int line_number ); - -/* Macros after this point can all be overridden by user definitions in - * section 1. - */ - -#ifndef YY_SKIP_YYWRAP -#ifdef __cplusplus -extern "C" int yywrap (void ); -#else -extern int yywrap (void ); -#endif -#endif - - static void yyunput (int c,char *buf_ptr ); - -#ifndef yytext_ptr -static void yy_flex_strncpy (char *,yyconst char *,int ); -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen (yyconst char * ); -#endif - -#ifndef YY_NO_INPUT - -#ifdef __cplusplus -static int yyinput (void ); -#else -static int input (void ); -#endif - -#endif - -/* Amount of stuff to slurp up with each read. */ -#ifndef YY_READ_BUF_SIZE -#define YY_READ_BUF_SIZE 8192 -#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(). - */ -#define ECHO fwrite( yytext, yyleng, 1, yyout ) -#endif - -/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, - * is returned in "result". - */ -#ifndef YY_INPUT -#define YY_INPUT(buf,result,max_size) \ - if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ - { \ - int c = '*'; \ - yy_size_t n; \ - for ( n = 0; n < max_size && \ - (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ - buf[n] = (char) c; \ - if ( c == '\n' ) \ - buf[n++] = (char) c; \ - if ( c == EOF && ferror( yyin ) ) \ - YY_FATAL_ERROR( "input in flex scanner failed" ); \ - result = n; \ - } \ - 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();" - - * we don't want an extra ';' after the "return" because that will cause - * some compilers to complain about unreachable statements. - */ -#ifndef yyterminate -#define yyterminate() return YY_NULL -#endif - -/* Number of entries by which start-condition stack grows. */ -#ifndef YY_START_STACK_INCR -#define YY_START_STACK_INCR 25 -#endif - -/* Report a fatal error. */ -#ifndef YY_FATAL_ERROR -#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) -#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_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. - */ -#ifndef YY_USER_ACTION -#define YY_USER_ACTION -#endif - -/* Code executed at the end of each rule. */ -#ifndef YY_BREAK -#define YY_BREAK break; -#endif - -#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 6 "zmap.l" - -#line 650 "lex.yy.c" - - if ( !(yy_init) ) - { - (yy_init) = 1; - -#ifdef YY_USER_INIT - YY_USER_INIT; -#endif - - if ( ! (yy_start) ) - (yy_start) = 1; /* first start state */ - - if ( ! yyin ) - yyin = stdin; - - if ( ! yyout ) - yyout = stdout; - - if ( ! YY_CURRENT_BUFFER ) { - yyensure_buffer_stack (); - YY_CURRENT_BUFFER_LVALUE = - yy_create_buffer(yyin,YY_BUF_SIZE ); - } - - yy_load_buffer_state( ); - } - - while ( 1 ) /* loops until end-of-file is reached */ - { - yy_cp = (yy_c_buf_p); - - /* Support of yytext. */ - *yy_cp = (yy_hold_char); - - /* yy_bp points to the position in yy_ch_buf of the start of - * the current run. - */ - yy_bp = yy_cp; - - yy_current_state = (yy_start); -yy_match: - do - { - register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; - if ( yy_accept[yy_current_state] ) - { - (yy_last_accepting_state) = yy_current_state; - (yy_last_accepting_cpos) = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 26 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - ++yy_cp; - } - while ( yy_base[yy_current_state] != 25 ); - -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_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); - goto yy_find_action; - -case 1: -YY_RULE_SETUP -#line 7 "zmap.l" -yylval.int_literal = atoi(yytext); return T_NUMBER; - YY_BREAK -case 2: -/* rule 2 can match eol */ -YY_RULE_SETUP -#line 8 "zmap.l" -/* Ignore end of line */ - YY_BREAK -case 3: -YY_RULE_SETUP -#line 9 "zmap.l" -/* Ignore whitespace */ - YY_BREAK -case 4: -YY_RULE_SETUP -#line 10 "zmap.l" -return T_NOT_EQ; - YY_BREAK -case 5: -YY_RULE_SETUP -#line 11 "zmap.l" -return T_GT_EQ; - YY_BREAK -case 6: -YY_RULE_SETUP -#line 12 "zmap.l" -return T_LT_EQ; - YY_BREAK -case 7: -YY_RULE_SETUP -#line 13 "zmap.l" -return T_AND; - YY_BREAK -case 8: -YY_RULE_SETUP -#line 14 "zmap.l" -return T_OR; - YY_BREAK -case 9: -YY_RULE_SETUP -#line 15 "zmap.l" -return '='; - YY_BREAK -case 10: -YY_RULE_SETUP -#line 16 "zmap.l" -return '>'; - YY_BREAK -case 11: -YY_RULE_SETUP -#line 17 "zmap.l" -return '<'; - YY_BREAK -case 12: -YY_RULE_SETUP -#line 18 "zmap.l" -return '('; - YY_BREAK -case 13: -YY_RULE_SETUP -#line 19 "zmap.l" -return ')'; - YY_BREAK -case 14: -YY_RULE_SETUP -#line 20 "zmap.l" -yylval.string_literal = strdup(yytext); return T_FIELD; - YY_BREAK -case 15: -YY_RULE_SETUP -#line 22 "zmap.l" -ECHO; - YY_BREAK -#line 809 "lex.yy.c" -case YY_STATE_EOF(INITIAL): - yyterminate(); - - 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; - - /* Undo the effects of YY_DO_BEFORE_ACTION. */ - *yy_cp = (yy_hold_char); - YY_RESTORE_YY_MORE_OFFSET - - 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 - * 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_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 - * of the first EOB in the buffer, since yy_c_buf_p will - * already have been incremented past the NUL character - * (since all states make transitions on EOB to the - * end-of-buffer state). Contrast this with the test - * in input(). - */ - if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_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_current_state = yy_get_previous_state( ); - - /* Okay, we're now positioned to make the NUL - * transition. We couldn't have - * yy_get_previous_state() go ahead and do it - * for us because it doesn't know how to deal - * with the possibility of jamming (and we don't - * want to build jamming into it because then it - * will run more slowly). - */ - - yy_next_state = yy_try_NUL_trans( yy_current_state ); - - yy_bp = (yytext_ptr) + YY_MORE_ADJ; - - if ( yy_next_state ) - { - /* Consume the NUL. */ - yy_cp = ++(yy_c_buf_p); - yy_current_state = yy_next_state; - goto yy_match; - } - - else - { - yy_cp = (yy_c_buf_p); - goto yy_find_action; - } - } - - else switch ( yy_get_next_buffer( ) ) - { - case EOB_ACT_END_OF_FILE: - { - (yy_did_buffer_switch_on_eof) = 0; - - if ( yywrap( ) ) - { - /* Note: because we've taken care in - * yy_get_next_buffer() to have set up - * yytext, we can now set up - * yy_c_buf_p so that if some total - * hoser (like flex itself) wants to - * call the scanner after we return the - * YY_NULL, it'll still work - another - * YY_NULL will get returned. - */ - (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; - - yy_act = YY_STATE_EOF(YY_START); - goto do_action; - } - - else - { - if ( ! (yy_did_buffer_switch_on_eof) ) - YY_NEW_FILE; - } - break; - } - - case EOB_ACT_CONTINUE_SCAN: - (yy_c_buf_p) = - (yytext_ptr) + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state( ); - - yy_cp = (yy_c_buf_p); - yy_bp = (yytext_ptr) + YY_MORE_ADJ; - goto yy_match; - - case EOB_ACT_LAST_MATCH: - (yy_c_buf_p) = - &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; - - yy_current_state = yy_get_previous_state( ); - - yy_cp = (yy_c_buf_p); - yy_bp = (yytext_ptr) + YY_MORE_ADJ; - goto yy_find_action; - } - break; - } - - default: - YY_FATAL_ERROR( - "fatal flex scanner internal error--no action found" ); - } /* end of action switch */ - } /* end of scanning one token */ -} /* end of yylex */ - -/* yy_get_next_buffer - try to read in a new buffer - * - * Returns a code representing an action: - * EOB_ACT_LAST_MATCH - - * EOB_ACT_CONTINUE_SCAN - continue scanning from current position - * EOB_ACT_END_OF_FILE - end of file - */ -static int yy_get_next_buffer (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_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) - YY_FATAL_ERROR( - "fatal flex scanner internal error--end of buffer missed" ); - - 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 ) - { - /* We matched a single character, the EOB, so - * treat this as a final EOF. - */ - return EOB_ACT_END_OF_FILE; - } - - else - { - /* We matched some text prior to the EOB, first - * process it. - */ - return EOB_ACT_LAST_MATCH; - } - } - - /* Try to read more data. */ - - /* First move last chars to start of buffer. */ - number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; - - for ( i = 0; i < number_to_move; ++i ) - *(dest++) = *(source++); - - if ( YY_CURRENT_BUFFER_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_LVALUE->yy_n_chars = (yy_n_chars) = 0; - - else - { - yy_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. */ - - /* just a shorter name for the current buffer */ - YY_BUFFER_STATE b = YY_CURRENT_BUFFER; - - int yy_c_buf_p_offset = - (int) ((yy_c_buf_p) - b->yy_ch_buf); - - if ( b->yy_is_our_buffer ) - { - yy_size_t new_size = b->yy_buf_size * 2; - - if ( new_size <= 0 ) - b->yy_buf_size += b->yy_buf_size / 8; - else - b->yy_buf_size *= 2; - - b->yy_ch_buf = (char *) - /* Include room in for 2 EOB chars. */ - yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); - } - else - /* Can't grow it, we don't own it. */ - b->yy_ch_buf = 0; - - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( - "fatal error - scanner input buffer overflow" ); - - (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; - - num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - - number_to_move - 1; - - } - - if ( num_to_read > YY_READ_BUF_SIZE ) - num_to_read = YY_READ_BUF_SIZE; - - /* Read in more data. */ - YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), - (yy_n_chars), num_to_read ); - - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); - } - - if ( (yy_n_chars) == 0 ) - { - if ( number_to_move == YY_MORE_ADJ ) - { - ret_val = EOB_ACT_END_OF_FILE; - yyrestart(yyin ); - } - - else - { - ret_val = EOB_ACT_LAST_MATCH; - YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = - YY_BUFFER_EOF_PENDING; - } - } - - else - ret_val = EOB_ACT_CONTINUE_SCAN; - - if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { - /* Extend the array by 50%, plus the number we really need. */ - yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); - if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) - YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); - } - - (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_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 (void) -{ - register yy_state_type yy_current_state; - register char *yy_cp; - - yy_current_state = (yy_start); - - 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; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 26 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - } - - return yy_current_state; -} - -/* yy_try_NUL_trans - try to make a transition on the NUL character - * - * synopsis - * next_state = yy_try_NUL_trans( current_state ); - */ - 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 YY_CHAR yy_c = 1; - if ( yy_accept[yy_current_state] ) - { - (yy_last_accepting_state) = yy_current_state; - (yy_last_accepting_cpos) = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 26 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - yy_is_jam = (yy_current_state == 25); - - return yy_is_jam ? 0 : yy_current_state; -} - - 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); - - if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) - { /* need to shift things up to make room */ - /* +2 for EOB chars. */ - register yy_size_t 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_LVALUE->yy_ch_buf[number_to_move]; - - while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) - *--dest = *--source; - - yy_cp += (int) (dest - source); - yy_bp += (int) (dest - source); - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = - (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; - - 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; -} - -#ifndef YY_NO_INPUT -#ifdef __cplusplus - static int yyinput (void) -#else - static int input (void) -#endif - -{ - int c; - - *(yy_c_buf_p) = (yy_hold_char); - - if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) - { - /* yy_c_buf_p now points to the character we want to return. - * If this occurs *before* the EOB characters, then it's a - * valid NUL; if not, then we've hit the end of the buffer. - */ - if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) - /* This was really a NUL. */ - *(yy_c_buf_p) = '\0'; - - else - { /* need more input */ - yy_size_t offset = (yy_c_buf_p) - (yytext_ptr); - ++(yy_c_buf_p); - - switch ( yy_get_next_buffer( ) ) - { - case EOB_ACT_LAST_MATCH: - /* This happens because yy_g_n_b() - * sees that we've accumulated a - * token and flags that we need to - * try matching the token before - * proceeding. But for input(), - * there's no matching to consider. - * So convert the EOB_ACT_LAST_MATCH - * to EOB_ACT_END_OF_FILE. - */ - - /* Reset buffer status. */ - yyrestart(yyin ); - - /*FALLTHROUGH*/ - - case EOB_ACT_END_OF_FILE: - { - if ( yywrap( ) ) - return 0; - - if ( ! (yy_did_buffer_switch_on_eof) ) - YY_NEW_FILE; -#ifdef __cplusplus - return yyinput(); -#else - return input(); -#endif - } - - case EOB_ACT_CONTINUE_SCAN: - (yy_c_buf_p) = (yytext_ptr) + offset; - break; - } - } - } - - c = *(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; -} -#endif /* ifndef YY_NO_INPUT */ - -/** 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( ); -} - -/** 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 ) - { - /* 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); - } - - 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; -} - -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) yyalloc(sizeof( struct yy_buffer_state ) ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); - - b->yy_buf_size = size; - - /* yy_ch_buf has to be 2 characters longer than the size given because - * we need to put in 2 end-of-buffer characters. - */ - b->yy_ch_buf = (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 ); - - return b; -} - -/** 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 ) /* Not sure if we should pop here. */ - YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; - - if ( b->yy_is_our_buffer ) - yyfree((void *) b->yy_ch_buf ); - - 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 ) - -{ - int oerrno = errno; - - yy_flush_buffer(b ); - - b->yy_input_file = file; - b->yy_fill_buffer = 1; - - /* 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; - - /* We always need two end-of-buffer characters. The first causes - * a transition to the end-of-buffer state. The second causes - * a jam in that state. - */ - b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; - b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; - - b->yy_buf_pos = &b->yy_ch_buf[0]; - - b->yy_at_bol = 1; - b->yy_buffer_status = YY_BUFFER_NEW; - - if ( b == YY_CURRENT_BUFFER ) - yy_load_buffer_state( ); -} - -/** 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) -{ - yy_size_t 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*) - ); - if ( ! (yy_buffer_stack) ) - YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); - - 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; - } - - 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*) - ); - if ( ! (yy_buffer_stack) ) - YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); - - /* 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) yyalloc(sizeof( struct yy_buffer_state ) ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); - - b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ - b->yy_buf_pos = b->yy_ch_buf = base; - b->yy_is_our_buffer = 0; - b->yy_input_file = 0; - b->yy_n_chars = b->yy_buf_size; - b->yy_is_interactive = 0; - b->yy_at_bol = 1; - b->yy_fill_buffer = 0; - b->yy_buffer_status = YY_BUFFER_NEW; - - yy_switch_to_buffer(b ); - - return b; -} - -/** Setup the input buffer state to scan a string. The next call to yylex() will - * scan from a @e copy of @a str. - * @param yystr 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 * yystr ) -{ - - return yy_scan_bytes(yystr,strlen(yystr) ); -} - -/** 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 * yybytes, yy_size_t _yybytes_len ) -{ - YY_BUFFER_STATE b; - char *buf; - yy_size_t n, i; - - /* Get memory for full buffer, including space for trailing EOB's. */ - n = _yybytes_len + 2; - buf = (char *) yyalloc(n ); - if ( ! buf ) - YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); - - for ( i = 0; i < _yybytes_len; ++i ) - buf[i] = yybytes[i]; - - buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; - - b = yy_scan_buffer(buf,n ); - if ( ! b ) - YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); - - /* It's okay to grow etc. this buffer, and we should throw it - * away when we're done. - */ - b->yy_is_our_buffer = 1; - - return b; -} - -#ifndef YY_EXIT_FAILURE -#define YY_EXIT_FAILURE 2 -#endif - -static void yy_fatal_error (yyconst char* msg ) -{ - (void) fprintf( stderr, "%s\n", msg ); - exit( YY_EXIT_FAILURE ); -} - -/* Redefine yyless() so it works in section 3 code. */ - -#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 ) - -/* Accessor methods (get/set functions) to struct members. */ - -/** Get the current line number. - * - */ -int yyget_lineno (void) -{ - - return yylineno; -} - -/** Get the input stream. - * - */ -FILE *yyget_in (void) -{ - return yyin; -} - -/** Get the output stream. - * - */ -FILE *yyget_out (void) -{ - return yyout; -} - -/** Get the length of the current token. - * - */ -yy_size_t yyget_leng (void) -{ - return yyleng; -} - -/** Get the current token. - * - */ - -char *yyget_text (void) -{ - return yytext; -} - -/** 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 ; -} - -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 ; -} - -static int yy_init_globals (void) -{ - /* Initialization is the same as for the non-reentrant scanner. - * This function is called from yylex_destroy(), so don't allocate here. - */ - - (yy_buffer_stack) = 0; - (yy_buffer_stack_top) = 0; - (yy_buffer_stack_max) = 0; - (yy_c_buf_p) = (char *) 0; - (yy_init) = 0; - (yy_start) = 0; - -/* Defined in main.c */ -#ifdef YY_STDINIT - yyin = stdin; - yyout = stdout; -#else - yyin = (FILE *) 0; - yyout = (FILE *) 0; -#endif - - /* For future reference: Set errno on error, since we are called by - * yylex_init() - */ - return 0; -} - -/* 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(); - } - - /* Destroy the stack itself. */ - yyfree((yy_buffer_stack) ); - (yy_buffer_stack) = NULL; - - /* Reset the globals. This is important in a non-reentrant scanner so the next time - * yylex() is called, initialization will occur. */ - yy_init_globals( ); - - return 0; -} - -/* - * Internal utility routines. - */ - -#ifndef yytext_ptr -static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) -{ - register int i; - for ( i = 0; i < n; ++i ) - s1[i] = s2[i]; -} -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen (yyconst char * s ) -{ - register int n; - for ( n = 0; s[n]; ++n ) - ; - - return n; -} -#endif - -void *yyalloc (yy_size_t size ) -{ - return (void *) malloc( size ); -} - -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 - * because both ANSI C and C++ allow castless assignment from - * any pointer type to void*, and deal with argument conversions - * as though doing an assignment. - */ - return (void *) realloc( (char *) ptr, size ); -} - -void yyfree (void * ptr ) -{ - free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ -} - -#define YYTABLES_NAME "yytables" - -#line 22 "zmap.l" - - diff --git a/filter_sandbox/parser.y b/filter_sandbox/parser.y deleted file mode 100644 index 15cc097..0000000 --- a/filter_sandbox/parser.y +++ /dev/null @@ -1,347 +0,0 @@ -/* File: parser.y - * -------------- - * Yacc input file to generate the parser for the compiler. - * - * pp2: your job is to write a parser that will construct the parse tree - * and if no parse errors were found, print it. The parser should - * accept the language as described in specification, and as augmented - * in the pp2 handout. - */ - -%{ - - /* Just like lex, the text within this first region delimited by %{ and %} - * is assumed to be C/C++ code and will be copied verbatim to the y.tab.c - * file ahead of the definitions of the yyparse() function. Add other header - * file inclusions or C++ variable declarations/prototypes that are needed - * by your code here. - */ -#include "scanner.h" // for yylex -#include "parser.h" -#include "errors.h" -#include - using namespace std; - void yyerror(const char *msg); // standard error-handling routine - -%} - - /* The section before the first %% is the Definitions section of the yacc - * input file. Here is where you declare tokens and types, add precedence - * and associativity options, and so on. - */ - - /* yylval - * ------ - * Here we define the type of the yylval global variable that is used by - * the scanner to store attibute information about the token just scanned - * and thus communicate that information to the parser. - * - * pp2: You will need to add new fields to this union as you add different - * attributes to your non-terminal symbols. - */ - %union { - int integerConstant; - bool boolConstant; - char *stringConstant; - double doubleConstant; - char identifier[MaxIdentLen+1]; // +1 for terminating null - Decl *decl; - VarDecl *varDecl; - Case *caseNode; - Default *defaultNode; - List *declList; - Stmt *stmt; - List *stmtList; - List *varDeclList; -List *caseList; - Expr *expr; - Type *type; - List *exprList; - List *typeList; - } - -/* Tokens - * ------ - * Here we tell yacc about all the token types that we are using. - * Yacc will assign unique numbers to these and export the #define - * in the generated y.tab.h header file. - */ -%token T_Void T_Bool T_Int T_Double T_String T_Class -%token T_LessEqual T_GreaterEqual T_Equal T_NotEqual T_Dims -%token T_And T_Or T_Null T_Extends T_This T_Interface T_Implements -%token T_While T_For T_If T_Else T_Return T_Break -%token T_New T_NewArray T_Print T_ReadInteger T_ReadLine - -%token T_Identifier -%token T_StringConstant -%token T_IntConstant -%token T_DoubleConstant -%token T_BoolConstant - -%token T_Increm T_Decrem T_Switch T_Case T_Default - -%nonassoc NON_ELSE -%nonassoc T_Else -%nonassoc '=' -%left T_Or -%left T_And -%left T_Equal T_NotEqual -%nonassoc '<' T_LessEqual T_GreaterEqual '>' -%left '+' '-' -%left '*' '/' '%' -%left NEG '!' INCRDECR -%left '[' '.' - -/* Non-terminal types - * ------------------ - * In order for yacc to assign/access the correct field of $$, $1, we - * must to declare which field is appropriate for the non-terminal. - * As an example, this first type declaration establishes that the DeclList - * non-terminal uses the field named "declList" in the yylval union. This - * means that when we are setting $$ for a reduction for DeclList ore reading - * $n which corresponds to a DeclList nonterminal we are accessing the field - * of the union named "declList" which is of type List. - * pp2: You'll need to add many of these of your own. - */ -%type DeclList -%type VarDeclList -%type Formals -%type Decl -%type FnDecl -%type VarDecl -%type Variable -%type Stmt -%type WhileStmt -%type IfStmt -%type ForStmt -%type BreakStmt -%type ReturnStmt -%type PrintStmt -%type StmtBlock -%type StmtList -%type Expr -%type EmptyExpr -%type Type -%type Field -%type FieldList -%type ClassDecl -%type InterfaceDecl -%type InterfaceList -%type Prototype -%type PrototypeList -%type ExprList -%type Actuals -%type LValue -%type Constant -%type Call -%type SwitchStmt -%type CaseList -%type Case -%type Default - -%% -/* Rules - * ----- - * All productions and actions should be placed between the start and stop - * %% markers which delimit the Rules section. - - */ -Program : DeclList { - Program *program = new Program($1); - // if no errors, advance to next phase - if (ReportError::NumErrors() == 0) - program->Print(0); - } -; - -DeclList : DeclList Decl { ($$=$1)->Append($2); } -| Decl { ($$ = new List)->Append($1); } -; - -Decl : VarDecl { $$ = $1; } -| FnDecl {$$ = $1;} -| ClassDecl {$$ = $1;} -| InterfaceDecl {$$ = $1;} -; - -VarDeclList : VarDeclList VarDecl { ($$=$1)->Append($2); } -| VarDecl { ($$ = new List)->Append($1); } -; - -VarDecl : Variable ';' {$$ = $1;}; - -Variable : Type T_Identifier {$$ = new VarDecl(new Identifier(@2, $2), $1); }; - -ClassDecl : T_Class T_Identifier '{' FieldList '}' {$$ = new ClassDecl(new Identifier(@2, $2), 0, new List, $4);} -| T_Class T_Identifier T_Extends T_Identifier '{' FieldList '}' {$$ = new ClassDecl(new Identifier(@2, $2), new NamedType(new Identifier(@4, $4)), new List, $6);} - | T_Class T_Identifier T_Extends T_Identifier T_Implements InterfaceList '{' FieldList '}' {$$ = new ClassDecl(new Identifier(@2, $2), new NamedType(new Identifier(@4, $4)), $6, $8);} - | T_Class T_Identifier T_Implements InterfaceList '{' FieldList '}' {$$ = new ClassDecl(new Identifier(@2, $2), 0, $4, $6);} -; - -InterfaceList: T_Identifier ',' InterfaceList {($$=$3)->Append(new NamedType(new Identifier(@1, $1)));} -| T_Identifier {($$=new List)->Append(new NamedType(new Identifier(@1, $1)));} - -FieldList : FieldList Field {($$ = $1)->Append($2);} - | /* empty */ {$$ = new List;} -; - - Type: T_Int {$$ = Type::intType; } - | T_Double {$$ = Type::doubleType; } - |T_Bool {$$ = Type::boolType; } - |T_String {$$ = Type::stringType; } - |T_Identifier {$$ = new NamedType(new Identifier(@1, $1)); } -|Type T_Dims {$$ = new ArrayType(@1, $1); } -; - -FnDecl : Type T_Identifier '(' Formals ')' StmtBlock {$$ = new FnDecl(new Identifier(@2, $2), $1, $4); ((FnDecl *)$$)->SetFunctionBody($6); } -| T_Void T_Identifier '(' Formals ')' StmtBlock {$$ = new FnDecl(new Identifier(@2, $2), Type::voidType, $4); ((FnDecl *)$$)->SetFunctionBody($6); } -; - -Formals : Variable {($$ = new List)->Append($1);} -| Formals ',' Variable {($$ = $1)->Append($3);} -| {$$ = new List;} -; - -Field : VarDecl {$$ = $1;} -| FnDecl {$$ = $1;} -; - -InterfaceDecl : T_Interface T_Identifier '{' PrototypeList '}' {$$ = new InterfaceDecl(new Identifier(@2, $2), $4);}; - -PrototypeList : PrototypeList Prototype {($$=$1)->Append($2);} -| {$$ = new List;} -; -Prototype : Type T_Identifier '(' Formals ')' ';' {$$ = new FnDecl(new Identifier(@2, $2), $1, $4);} - | T_Void T_Identifier '(' Formals ')' ';' {$$ = new FnDecl(new Identifier(@2, $2), Type::voidType, $4);} -; - -StmtBlock : '{' VarDeclList StmtList '}' { $$ = new StmtBlock($2, $3);} - | '{' VarDeclList '}' { $$ = new StmtBlock($2, new List);} - | '{' StmtList '}' { $$ = new StmtBlock(new List, $2);} -| '{' '}' { $$ = new StmtBlock(new List, new List);} -; - -StmtList : StmtList Stmt { ($$=$1)->Append($2);} -| Stmt { ($$ = new List)->Append($1); } -; - -Stmt : EmptyExpr ';' {$$ = $1; } - | IfStmt {$$ = $1; } - | WhileStmt {$$ = $1; } - | ForStmt {$$ = $1; } - | BreakStmt {$$ = $1; } - | ReturnStmt {$$ = $1; } - | PrintStmt {$$ = $1; } - | StmtBlock {$$ = $1; } - | SwitchStmt {$$ = $1; } -; - -IfStmt : T_If '(' Expr ')' Stmt %prec NON_ELSE {$$ = new IfStmt($3, $5, 0); } - | T_If '(' Expr ')' Stmt T_Else Stmt { $$ = new IfStmt($3, $5, $7); } - ; -SwitchStmt : T_Switch '(' Expr ')' '{' CaseList Default '}' { $$ = new SwitchStmt($3, $6, $7);} - | T_Switch '(' Expr ')' '{' CaseList '}' { $$ = new SwitchStmt($3, $6, 0);}; - -CaseList : CaseList Case {($$ = $1)->Append($2);} -| Case {($$ = new List)->Append($1);} -; - -Case : T_Case T_IntConstant ':' StmtList {$$ = new Case(new IntConstant(@2, $2), $4);} -| T_Case T_IntConstant ':' {$$ = new Case(new IntConstant(@2, $2), new List);}; - -Default : T_Default ':' StmtList {$$ = new Default($3);} -| T_Default ':' {$$ = new Default(new List);}; - -WhileStmt : T_While '(' Expr ')' Stmt {$$ = new WhileStmt($3, $5); } -; -ForStmt : T_For '(' EmptyExpr ';' Expr ';' EmptyExpr ')' Stmt {$$ = new ForStmt($3, $5, $7, $9); } -; - -ReturnStmt : T_Return EmptyExpr ';' { $$ = new ReturnStmt(@1, $2); }; - -BreakStmt : T_Break ';' {$$ = new BreakStmt(@1); }; - -PrintStmt : T_Print '(' ExprList ')' ';' {$$ = new PrintStmt($3);}; - -ExprList : Expr {($$ = new List)->Append($1);} - | ExprList ',' Expr {($$ = $1)->Append($3);} -; - - EmptyExpr : Expr {$$ = $1; } - | {$$ = new EmptyExpr; } - ; - -Expr : LValue '=' Expr {$$ = new AssignExpr($1, new Operator(@2, "=") , $3); }; -| Constant {$$ = $1;} -| LValue {$$ = $1; } -| T_This {$$ = new This(@1);} -| Call {$$ = $1;} -|'(' Expr ')' {$$ = $2;} -| Expr '+' Expr {$$ = new ArithmeticExpr($1, new Operator(@2, "+"), $3);} -| Expr '-' Expr {$$ = new ArithmeticExpr($1, new Operator(@2, "-"), $3);} -| Expr '*' Expr {$$ = new ArithmeticExpr($1, new Operator(@2, "*"), $3);} -| Expr '/' Expr {$$ = new ArithmeticExpr($1, new Operator(@2, "/"), $3);} -| Expr '%' Expr {$$ = new ArithmeticExpr($1, new Operator(@2, "%"), $3);} -| '-' Expr %prec NEG {$$ = new ArithmeticExpr(new Operator(@2, "-"), $2);} -| Expr '<' Expr {$$ = new RelationalExpr($1, new Operator(@2, "<"), $3);} -| Expr T_LessEqual Expr {$$ = new RelationalExpr($1, new Operator(@2, "<="), $3);} -| Expr '>' Expr {$$ = new RelationalExpr($1, new Operator(@2, ">"), $3);} -| Expr T_GreaterEqual Expr {$$ = new RelationalExpr($1, new Operator(@2, ">="), $3);} -| Expr T_Equal Expr {$$ = new EqualityExpr($1, new Operator(@2, "=="), $3);} -| Expr T_NotEqual Expr {$$ = new EqualityExpr($1, new Operator(@2, "!="), $3);} -| Expr T_And Expr {$$ = new LogicalExpr($1, new Operator(@2, "&&"), $3);} -| Expr T_Or Expr {$$ = new LogicalExpr($1, new Operator(@2, "||"), $3);} -| '!' Expr {$$ = new LogicalExpr(new Operator(@1, "!"), $2);} -| T_ReadInteger '(' ')' {$$ = new ReadIntegerExpr(@1);} -| T_ReadLine '(' ')' {$$ = new ReadLineExpr(@1);} -| T_New '(' T_Identifier ')' {$$ = new NewExpr(@1, new NamedType(new Identifier(@3, $3)) );} -| T_NewArray '('Expr ',' Type')' {$$ = new NewArrayExpr(@1, $3, $5);} -| LValue T_Increm %prec INCRDECR {$$ = new PostfixExpr($1, new Operator(@2, "++"));} -| LValue T_Decrem %prec INCRDECR {$$ = new PostfixExpr($1, new Operator(@2, "--"));} -; - -LValue : T_Identifier {$$ = new FieldAccess(0, new Identifier(@1, $1)); } -| Expr '.' T_Identifier {$$ = new FieldAccess($1, new Identifier(@3, $3));} -| Expr '[' Expr ']' {$$ = new ArrayAccess(@1, $1, $3);} -; - -Call : T_Identifier '(' Actuals ')' {$$ = new Call(@1, 0, new Identifier(@1, $1), $3);} -| Expr '.' T_Identifier '(' Actuals ')' {$$ = new Call(@1, $1, new Identifier(@3, $3), $5);} -; - -Actuals: ExprList {$$ = $1;} -| {$$ = new List;} -; - -Constant: T_IntConstant {$$ = new IntConstant(@1, $1);} -| T_DoubleConstant {$$ = new DoubleConstant(@1, $1);} -| T_BoolConstant {$$ = new BoolConstant(@1, $1);} -| T_StringConstant {$$ = new StringConstant(@1, $1);} -| T_Null {$$ = new NullConstant(@1); } -; -%% - -/* The closing %% above marks the end of the Rules section and the beginning - * of the User Subroutines section. All text from here to the end of the - * file is copied verbatim to the end of the generated y.tab.c file. - * This section is where you put definitions of helper functions. - */ - -/* Function: InitParser - * -------------------- - * This function will be called before any calls to yyparse(). It is designed - * to give you an opportunity to do anything that must be done to initialize - * the parser (set global variables, configure starting state, etc.). One - * thing it already does for you is assign the value of the global variable - * yydebug that controls whether yacc prints debugging information about - * parser actions (shift/reduce) and contents of state stack during parser. - * If set to false, no information is printed. Setting it to true will give - * you a running trail that might be helpful when debugging your parser. - * Please be sure the variable is set to false when submitting your final - * version. - */ -void InitParser() -{ - PrintDebug("parser", "Initializing parser"); - yydebug = false; -} diff --git a/filter_sandbox/scanner.l b/filter_sandbox/scanner.l deleted file mode 100644 index 6294ee4..0000000 --- a/filter_sandbox/scanner.l +++ /dev/null @@ -1,256 +0,0 @@ -/* File: scanner.l - * ---------------- - * Lex input file to generate the scanner for the compiler. - */ - -%{ -#include -#include "scanner.h" -#include "utility.h" // for PrintDebug() -#include "errors.h" -#include -#include -#include - -using std::string; -using std::cout; -using std::endl; - -/* Global variable: yylval - * ----------------------- - * This global variable is how we get attribute information about the token - * just scanned to the client. The scanner sets the global variable - * appropriately and since it's global the client can just read it. In the - * future, this variable will be declared for us in the y.tab.c file - * produced by Yacc, but for now, we declare it manually. - */ -YYSTYPE yylval; // manually declared for pp1, later Yacc provides - -/* Global variable: yylloc - * ----------------------- - * This global variable is how we get position information about the token - * just scanned to the client. (Operates similarly to yylval above) - */ -struct yyltype yylloc; // manually dclared for pp1, later Yacc provides - -/* Macro: YY_USER_ACTION - * --------------------- - * This flex built-in macro can be defined to provide an action which is - * always executed prior to any matched rule's action. Basically, it is - * a way of having a piece of code common to all actions factored out to - * this routine. We already defined it for you and left the empty - * function DoBeforeEachAction ready for your use as needed. It will - * be called once for each pattern scanned from the file, before - * executing its action. - */ -static void DoBeforeEachAction(); -#define YY_USER_ACTION DoBeforeEachAction(); - -static void set_value(TokenType); - -%} - -ALPHA [a-zA-Z] -ALPHANUM [a-zA-Z0-9] -WORDCHAR [a-zA-Z0-9_] -DIGIT [0-9] -HEX 0(x|X)[0-9a-fA-F]+ -WHITESPACE [ \t\n] - -%% - - /* Keywords */ -void return T_Void; -int return T_Int; -double return T_Double; -bool return T_Bool; -string return T_String; -class return T_Class; -interface return T_Interface; -null return T_Null; -this return T_This; -extends return T_Extends; -implements return T_Implements; -for return T_For; -while return T_While; -if return T_If; -else return T_Else; -return return T_Return; -break return T_Break; -New return T_New; -NewArray return T_NewArray; - - /* Type Constants */ -true|false {set_value(T_BoolConstant); return T_BoolConstant;} -{HEX}|{DIGIT}+ {set_value(T_IntConstant); return T_IntConstant;} -{DIGIT}+\.{DIGIT}*((E|e)(\+|-)?{DIGIT}+)? {set_value(T_DoubleConstant); return T_DoubleConstant;} -\"[^\"\n]*\" {set_value(T_StringConstant); return T_StringConstant;} -\"[^\"\n]* {ReportError::UntermString(&yylloc, yytext);} - - /* Whitespace */ -{WHITESPACE} ; - - /* Identifier */ -{ALPHA}{WORDCHAR}* {set_value(T_Identifier); return T_Identifier;} - - /* Operators */ -"<=" return T_LessEqual; ->= return T_GreaterEqual; -== return T_Equal; -!= return T_NotEqual; -&& return T_And; -"||" return T_Or; -\+ return '+'; -- return '-'; -\* return '*'; -\/ return '/'; -% return '%'; -\< return '<'; -\> return '>'; -= return '='; -! return '!'; -; return ';'; -, return ','; -\. return '.'; -"[" return '['; -"]" return ']'; -"(" return '('; -")" return ')'; -"{" return '{'; -"}" return '}'; - -. ReportError::UnrecogChar(&yylloc, *yytext); - -%% - -static bool text_to_bool(char *yytext) { - if (!strcmp(yytext, "true")) { - return true; - } else if (!strcmp(yytext, "false")) { - return false; - } else { - Failure("Unrecognized value in function text_to_bool()"); - } - - // This will never be called - exit(1); -} - -static int text_to_int(char *yytext) { - if (strlen(yytext) >= 2 && (yytext[1] == 'x' || yytext[1] == 'X')) { - int num; - int decimal = 0; - for (int i = 2; i < yyleng; i++) { - char c = isalpha(yytext[i]) ? toupper(yytext[i]) : yytext[i]; - switch(c) { - case 'A': num = 10; break; - case 'B': num = 11; break; - case 'C': num = 12; break; - case 'D': num = 13; break; - case 'E': num = 14; break; - case 'F': num = 15; break; - default: num = yytext[i] - 48; break; - } - decimal += num * pow(16, yyleng - i - 1); // The exponent is the inverse of the char position - } - return decimal; - } - return atoi(yytext); -} - -static double text_to_double(char *yytext) { - int i = 0; - double ret = 0; - bool decimal = false; - double divisor = 1; - bool pose = true; - bool exponent = false; - std::string num; - while(i < yyleng){ - num = num + yytext[i]; - if(yytext[i] == 'E' || yytext[i] == 'e'){ - exponent = true; - ret = ret + atoi(num.c_str())/divisor; - num.clear(); - if(yytext[i + 1] == '-'){ - pose = false; - i++; - } - else if(yytext[i + 1] == '+') i++; - } - if(decimal) divisor *= 10; - if(yytext[i] == '.'){ - ret = atoi(num.c_str()); - decimal = true; - num.clear(); - } - i++; - } - - if(exponent) return ret * pow(10, atoi(num.c_str())); - else return ret + atoi(num.c_str())/divisor; -} - -static void set_identifier(char *identifier) { - int num_chars = yyleng + 1; // The characters plus the null character - if (yyleng > MaxIdentLen) { - ReportError::LongIdentifier(&yylloc, yytext); - num_chars = MaxIdentLen; - } - - strncpy(identifier, yytext, num_chars); - assert(identifier[MaxIdentLen + 1] == 0); -} - -static void set_value(TokenType t) { - switch(t) { - case T_BoolConstant: yylval.boolConstant = text_to_bool(yytext); break; - case T_IntConstant: yylval.integerConstant = text_to_int(yytext); break; - case T_DoubleConstant: yylval.doubleConstant = text_to_double(yytext); break; - case T_StringConstant: yylval.stringConstant = yytext; break; - case T_Identifier: set_identifier(yylval.identifier); break; - default: Failure("Unrecognized token %d in set_value()", (int) t); - } -} - -/* Function: InitScanner - * --------------------- - * This function will be called before any calls to yylex(). It is designed - * to give you an opportunity to do anything that must be done to initialize - * the scanner (set global variables, configure starting state, etc.). One - * thing it already does for you is assign the value of the global variable - * yy_flex_debug that controls whether flex prints debugging information - * about each token and what rule was matched. If set to false, no information - * is printed. Setting it to true will give you a running trail that might - * be helpful when debugging your scanner. Please be sure the variable is - * set to false when submitting your final version. - */ -void InitScanner() -{ - yy_flex_debug = false; - PrintDebug("lex", "Initializing scanner"); -} - - -/* Function: DoBeforeEachAction() - * ------------------------------ - * This function is installed as the YY_USER_ACTION. This is a place - * to group code common to all actions. - */ -static void DoBeforeEachAction() -{ - // TODO: This section looks hacky to me - static int col_pos = 1; - static int line_pos = 1; - - if (*yytext == '\n') { - line_pos++; - col_pos = 0; - } - - yylloc.first_column = col_pos; - yylloc.last_column = col_pos + yyleng - 1; - yylloc.first_line = line_pos; - - col_pos += yyleng; -} diff --git a/filter_sandbox/y.output b/filter_sandbox/y.output deleted file mode 100644 index 3687082..0000000 --- a/filter_sandbox/y.output +++ /dev/null @@ -1,303 +0,0 @@ -Grammar - - 0 $accept: filter_expr $end - - 1 filter_expr: filter_expr T_OR filter_expr - 2 | filter_expr T_AND filter_expr - 3 | '(' filter_expr ')' - 4 | filter - - 5 filter: number_filter - 6 | string_filter - - 7 number_filter: T_FIELD '=' T_NUMBER - 8 | T_FIELD '>' T_NUMBER - 9 | T_FIELD '<' T_NUMBER - 10 | T_FIELD T_NOT_EQ T_NUMBER - 11 | T_FIELD T_GT_EQ T_NUMBER - 12 | T_FIELD T_LT_EQ T_NUMBER - - 13 string_filter: T_FIELD '=' T_FIELD - 14 | T_FIELD T_NOT_EQ T_FIELD - - -Terminals, with rules where they appear - -$end (0) 0 -'(' (40) 3 -')' (41) 3 -'<' (60) 9 -'=' (61) 7 13 -'>' (62) 8 -error (256) -T_AND (258) 2 -T_OR (259) 1 -T_NUMBER (260) 7 8 9 10 11 12 -T_FIELD (261) 7 8 9 10 11 12 13 14 -T_NOT_EQ (262) 10 14 -T_GT_EQ (263) 11 -T_LT_EQ (264) 12 - - -Nonterminals, with rules where they appear - -$accept (15) - on left: 0 -filter_expr (16) - on left: 1 2 3 4, on right: 0 1 2 3 -filter (17) - on left: 5 6, on right: 4 -number_filter (18) - on left: 7 8 9 10 11 12, on right: 5 -string_filter (19) - on left: 13 14, on right: 6 - - -state 0 - - 0 $accept: . filter_expr $end - - '(' shift, and go to state 1 - T_FIELD shift, and go to state 2 - - filter_expr go to state 3 - filter go to state 4 - number_filter go to state 5 - string_filter go to state 6 - - -state 1 - - 3 filter_expr: '(' . filter_expr ')' - - '(' shift, and go to state 1 - T_FIELD shift, and go to state 2 - - filter_expr go to state 7 - filter go to state 4 - number_filter go to state 5 - string_filter go to state 6 - - -state 2 - - 7 number_filter: T_FIELD . '=' T_NUMBER - 8 | T_FIELD . '>' T_NUMBER - 9 | T_FIELD . '<' T_NUMBER - 10 | T_FIELD . T_NOT_EQ T_NUMBER - 11 | T_FIELD . T_GT_EQ T_NUMBER - 12 | T_FIELD . T_LT_EQ T_NUMBER - 13 string_filter: T_FIELD . '=' T_FIELD - 14 | T_FIELD . T_NOT_EQ T_FIELD - - T_NOT_EQ shift, and go to state 8 - '>' shift, and go to state 9 - T_GT_EQ shift, and go to state 10 - '<' shift, and go to state 11 - '=' shift, and go to state 12 - T_LT_EQ shift, and go to state 13 - - -state 3 - - 0 $accept: filter_expr . $end - 1 filter_expr: filter_expr . T_OR filter_expr - 2 | filter_expr . T_AND filter_expr - - $end shift, and go to state 14 - T_AND shift, and go to state 15 - T_OR shift, and go to state 16 - - -state 4 - - 4 filter_expr: filter . - - $default reduce using rule 4 (filter_expr) - - -state 5 - - 5 filter: number_filter . - - $default reduce using rule 5 (filter) - - -state 6 - - 6 filter: string_filter . - - $default reduce using rule 6 (filter) - - -state 7 - - 1 filter_expr: filter_expr . T_OR filter_expr - 2 | filter_expr . T_AND filter_expr - 3 | '(' filter_expr . ')' - - ')' shift, and go to state 17 - T_AND shift, and go to state 15 - T_OR shift, and go to state 16 - - -state 8 - - 10 number_filter: T_FIELD T_NOT_EQ . T_NUMBER - 14 string_filter: T_FIELD T_NOT_EQ . T_FIELD - - T_NUMBER shift, and go to state 18 - T_FIELD shift, and go to state 19 - - -state 9 - - 8 number_filter: T_FIELD '>' . T_NUMBER - - T_NUMBER shift, and go to state 20 - - -state 10 - - 11 number_filter: T_FIELD T_GT_EQ . T_NUMBER - - T_NUMBER shift, and go to state 21 - - -state 11 - - 9 number_filter: T_FIELD '<' . T_NUMBER - - T_NUMBER shift, and go to state 22 - - -state 12 - - 7 number_filter: T_FIELD '=' . T_NUMBER - 13 string_filter: T_FIELD '=' . T_FIELD - - T_NUMBER shift, and go to state 23 - T_FIELD shift, and go to state 24 - - -state 13 - - 12 number_filter: T_FIELD T_LT_EQ . T_NUMBER - - T_NUMBER shift, and go to state 25 - - -state 14 - - 0 $accept: filter_expr $end . - - $default accept - - -state 15 - - 2 filter_expr: filter_expr T_AND . filter_expr - - '(' shift, and go to state 1 - T_FIELD shift, and go to state 2 - - filter_expr go to state 26 - filter go to state 4 - number_filter go to state 5 - string_filter go to state 6 - - -state 16 - - 1 filter_expr: filter_expr T_OR . filter_expr - - '(' shift, and go to state 1 - T_FIELD shift, and go to state 2 - - filter_expr go to state 27 - filter go to state 4 - number_filter go to state 5 - string_filter go to state 6 - - -state 17 - - 3 filter_expr: '(' filter_expr ')' . - - $default reduce using rule 3 (filter_expr) - - -state 18 - - 10 number_filter: T_FIELD T_NOT_EQ T_NUMBER . - - $default reduce using rule 10 (number_filter) - - -state 19 - - 14 string_filter: T_FIELD T_NOT_EQ T_FIELD . - - $default reduce using rule 14 (string_filter) - - -state 20 - - 8 number_filter: T_FIELD '>' T_NUMBER . - - $default reduce using rule 8 (number_filter) - - -state 21 - - 11 number_filter: T_FIELD T_GT_EQ T_NUMBER . - - $default reduce using rule 11 (number_filter) - - -state 22 - - 9 number_filter: T_FIELD '<' T_NUMBER . - - $default reduce using rule 9 (number_filter) - - -state 23 - - 7 number_filter: T_FIELD '=' T_NUMBER . - - $default reduce using rule 7 (number_filter) - - -state 24 - - 13 string_filter: T_FIELD '=' T_FIELD . - - $default reduce using rule 13 (string_filter) - - -state 25 - - 12 number_filter: T_FIELD T_LT_EQ T_NUMBER . - - $default reduce using rule 12 (number_filter) - - -state 26 - - 1 filter_expr: filter_expr . T_OR filter_expr - 2 | filter_expr . T_AND filter_expr - 2 | filter_expr T_AND filter_expr . - - $default reduce using rule 2 (filter_expr) - - -state 27 - - 1 filter_expr: filter_expr . T_OR filter_expr - 1 | filter_expr T_OR filter_expr . - 2 | filter_expr . T_AND filter_expr - - T_AND shift, and go to state 15 - - $default reduce using rule 1 (filter_expr) diff --git a/filter_sandbox/y.tab.c b/filter_sandbox/y.tab.c deleted file mode 100644 index 3d4097e..0000000 --- a/filter_sandbox/y.tab.c +++ /dev/null @@ -1,1687 +0,0 @@ -/* A Bison parser, made by GNU Bison 2.3. */ - -/* Skeleton implementation for Bison's Yacc-like parsers in C - - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 - Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ - -/* As a special exception, you may create a larger work that contains - part or all of the Bison parser skeleton and distribute that work - under terms of your choice, so long as that work isn't itself a - parser generator using the skeleton or a modified version thereof - as a parser skeleton. Alternatively, if you modify or redistribute - the parser skeleton itself, you may (at your option) remove this - special exception, which will cause the skeleton and the resulting - Bison output files to be licensed under the GNU General Public - License without this special exception. - - This special exception was added by the Free Software Foundation in - version 2.2 of Bison. */ - -/* C LALR(1) parser skeleton written by Richard Stallman, by - simplifying the original so-called "semantic" parser. */ - -/* All symbols defined below should begin with yy or YY, to avoid - infringing on user name space. This should be done even for local - variables, as they might otherwise be expanded by user macros. - There are some unavoidable exceptions within include files to - define necessary library symbols; they are noted "INFRINGES ON - USER NAME SPACE" below. */ - -/* Identify Bison output. */ -#define YYBISON 1 - -/* Bison version. */ -#define YYBISON_VERSION "2.3" - -/* Skeleton name. */ -#define YYSKELETON_NAME "yacc.c" - -/* Pure parsers. */ -#define YYPURE 0 - -/* Using locations. */ -#define YYLSP_NEEDED 0 - - - -/* Tokens. */ -#ifndef YYTOKENTYPE -# define YYTOKENTYPE - /* Put the tokens into the symbol table, so that GDB and other debuggers - know about them. */ - enum yytokentype { - T_AND = 258, - T_OR = 259, - T_NUMBER = 260, - T_FIELD = 261, - T_NOT_EQ = 262, - T_GT_EQ = 263, - T_LT_EQ = 264 - }; -#endif -/* Tokens. */ -#define T_AND 258 -#define T_OR 259 -#define T_NUMBER 260 -#define T_FIELD 261 -#define T_NOT_EQ 262 -#define T_GT_EQ 263 -#define T_LT_EQ 264 - - - - -/* Copy the first part of user declarations. */ -#line 1 "zmap.y" - -#include -#include -#include "tree.h" - -void yyerror(const char *str) -{ - fprintf(stderr,"error: %s\n",str); - fprintf(stderr, "%s\n", "YOLO"); -} - -int yywrap() -{ - return 1; -} - -int main() -{ - yyparse(); -} - - - -/* Enabling traces. */ -#ifndef YYDEBUG -# define YYDEBUG 1 -#endif - -/* Enabling verbose error messages. */ -#ifdef YYERROR_VERBOSE -# undef YYERROR_VERBOSE -# define YYERROR_VERBOSE 1 -#else -# define YYERROR_VERBOSE 0 -#endif - -/* Enabling the token table. */ -#ifndef YYTOKEN_TABLE -# define YYTOKEN_TABLE 0 -#endif - -#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED -typedef union YYSTYPE -#line 24 "zmap.y" -{ - int int_literal; - char *string_literal; - struct node *expr; -} -/* Line 193 of yacc.c. */ -#line 143 "y.tab.c" - YYSTYPE; -# define yystype YYSTYPE /* obsolescent; will be withdrawn */ -# define YYSTYPE_IS_DECLARED 1 -# define YYSTYPE_IS_TRIVIAL 1 -#endif - - - -/* Copy the second part of user declarations. */ - - -/* Line 216 of yacc.c. */ -#line 156 "y.tab.c" - -#ifdef short -# undef short -#endif - -#ifdef YYTYPE_UINT8 -typedef YYTYPE_UINT8 yytype_uint8; -#else -typedef unsigned char yytype_uint8; -#endif - -#ifdef YYTYPE_INT8 -typedef YYTYPE_INT8 yytype_int8; -#elif (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -typedef signed char yytype_int8; -#else -typedef short int yytype_int8; -#endif - -#ifdef YYTYPE_UINT16 -typedef YYTYPE_UINT16 yytype_uint16; -#else -typedef unsigned short int yytype_uint16; -#endif - -#ifdef YYTYPE_INT16 -typedef YYTYPE_INT16 yytype_int16; -#else -typedef short int yytype_int16; -#endif - -#ifndef YYSIZE_T -# ifdef __SIZE_TYPE__ -# define YYSIZE_T __SIZE_TYPE__ -# elif defined size_t -# define YYSIZE_T size_t -# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -# include /* INFRINGES ON USER NAME SPACE */ -# define YYSIZE_T size_t -# else -# define YYSIZE_T unsigned int -# endif -#endif - -#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) - -#ifndef YY_ -# if defined YYENABLE_NLS && YYENABLE_NLS -# if ENABLE_NLS -# include /* INFRINGES ON USER NAME SPACE */ -# define YY_(msgid) dgettext ("bison-runtime", msgid) -# endif -# endif -# ifndef YY_ -# define YY_(msgid) msgid -# endif -#endif - -/* Suppress unused-variable warnings by "using" E. */ -#if ! defined lint || defined __GNUC__ -# define YYUSE(e) ((void) (e)) -#else -# define YYUSE(e) /* empty */ -#endif - -/* Identity function, used to suppress warnings about constant conditions. */ -#ifndef lint -# define YYID(n) (n) -#else -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static int -YYID (int i) -#else -static int -YYID (i) - int i; -#endif -{ - return i; -} -#endif - -#if ! defined yyoverflow || YYERROR_VERBOSE - -/* The parser invokes alloca or malloc; define the necessary symbols. */ - -# ifdef YYSTACK_USE_ALLOCA -# if YYSTACK_USE_ALLOCA -# ifdef __GNUC__ -# define YYSTACK_ALLOC __builtin_alloca -# elif defined __BUILTIN_VA_ARG_INCR -# include /* INFRINGES ON USER NAME SPACE */ -# elif defined _AIX -# define YYSTACK_ALLOC __alloca -# elif defined _MSC_VER -# include /* INFRINGES ON USER NAME SPACE */ -# define alloca _alloca -# else -# define YYSTACK_ALLOC alloca -# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -# include /* INFRINGES ON USER NAME SPACE */ -# ifndef _STDLIB_H -# define _STDLIB_H 1 -# endif -# endif -# endif -# endif -# endif - -# ifdef YYSTACK_ALLOC - /* Pacify GCC's `empty if-body' warning. */ -# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) -# ifndef YYSTACK_ALLOC_MAXIMUM - /* The OS might guarantee only one guard page at the bottom of the stack, - and a page size can be as small as 4096 bytes. So we cannot safely - invoke alloca (N) if N exceeds 4096. Use a slightly smaller number - to allow for a few compiler-allocated temporary stack slots. */ -# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ -# endif -# else -# define YYSTACK_ALLOC YYMALLOC -# define YYSTACK_FREE YYFREE -# ifndef YYSTACK_ALLOC_MAXIMUM -# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM -# endif -# if (defined __cplusplus && ! defined _STDLIB_H \ - && ! ((defined YYMALLOC || defined malloc) \ - && (defined YYFREE || defined free))) -# include /* INFRINGES ON USER NAME SPACE */ -# ifndef _STDLIB_H -# define _STDLIB_H 1 -# endif -# endif -# ifndef YYMALLOC -# define YYMALLOC malloc -# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ -# endif -# endif -# ifndef YYFREE -# define YYFREE free -# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -void free (void *); /* INFRINGES ON USER NAME SPACE */ -# endif -# endif -# endif -#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ - - -#if (! defined yyoverflow \ - && (! defined __cplusplus \ - || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) - -/* A type that is properly aligned for any stack member. */ -union yyalloc -{ - yytype_int16 yyss; - YYSTYPE yyvs; - }; - -/* The size of the maximum gap between one aligned stack and the next. */ -# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) - -/* The size of an array large to enough to hold all stacks, each with - N elements. */ -# define YYSTACK_BYTES(N) \ - ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ - + YYSTACK_GAP_MAXIMUM) - -/* Copy COUNT objects from FROM to TO. The source and destination do - not overlap. */ -# ifndef YYCOPY -# if defined __GNUC__ && 1 < __GNUC__ -# define YYCOPY(To, From, Count) \ - __builtin_memcpy (To, From, (Count) * sizeof (*(From))) -# else -# define YYCOPY(To, From, Count) \ - do \ - { \ - YYSIZE_T yyi; \ - for (yyi = 0; yyi < (Count); yyi++) \ - (To)[yyi] = (From)[yyi]; \ - } \ - while (YYID (0)) -# endif -# endif - -/* Relocate STACK from its old location to the new one. The - local variables YYSIZE and YYSTACKSIZE give the old and new number of - elements in the stack, and YYPTR gives the new location of the - stack. Advance YYPTR to a properly aligned location for the next - stack. */ -# define YYSTACK_RELOCATE(Stack) \ - do \ - { \ - YYSIZE_T yynewbytes; \ - YYCOPY (&yyptr->Stack, Stack, yysize); \ - Stack = &yyptr->Stack; \ - yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ - yyptr += yynewbytes / sizeof (*yyptr); \ - } \ - while (YYID (0)) - -#endif - -/* YYFINAL -- State number of the termination state. */ -#define YYFINAL 14 -/* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 26 - -/* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 15 -/* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 5 -/* YYNRULES -- Number of rules. */ -#define YYNRULES 15 -/* YYNRULES -- Number of states. */ -#define YYNSTATES 28 - -/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ -#define YYUNDEFTOK 2 -#define YYMAXUTOK 264 - -#define YYTRANSLATE(YYX) \ - ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) - -/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ -static const yytype_uint8 yytranslate[] = -{ - 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 3, 4, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 12, 13, 10, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 1, 2, 5, 6, - 7, 8, 9, 11, 14 -}; - -#if YYDEBUG -/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in - YYRHS. */ -static const yytype_uint8 yyprhs[] = -{ - 0, 0, 3, 7, 11, 15, 17, 19, 21, 25, - 29, 33, 37, 41, 45, 49 -}; - -/* YYRHS -- A `-1'-separated list of the rules' RHS. */ -static const yytype_int8 yyrhs[] = -{ - 16, 0, -1, 16, 6, 16, -1, 16, 5, 16, - -1, 3, 16, 4, -1, 17, -1, 18, -1, 19, - -1, 8, 13, 7, -1, 8, 10, 7, -1, 8, - 12, 7, -1, 8, 9, 7, -1, 8, 11, 7, - -1, 8, 14, 7, -1, 8, 13, 8, -1, 8, - 9, 8, -1 -}; - -/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ -static const yytype_uint8 yyrline[] = -{ - 0, 47, 47, 55, 63, 67, 73, 77, 83, 91, - 99, 104, 109, 114, 121, 126 -}; -#endif - -#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE -/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. - First, the terminals, then, starting at YYNTOKENS, nonterminals. */ -static const char *const yytname[] = -{ - "$end", "error", "$undefined", "'('", "')'", "T_AND", "T_OR", - "T_NUMBER", "T_FIELD", "T_NOT_EQ", "'>'", "T_GT_EQ", "'<'", "'='", - "T_LT_EQ", "$accept", "filter_expr", "filter", "number_filter", - "string_filter", 0 -}; -#endif - -# ifdef YYPRINT -/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to - token YYLEX-NUM. */ -static const yytype_uint16 yytoknum[] = -{ - 0, 256, 257, 40, 41, 258, 259, 260, 261, 262, - 62, 263, 60, 61, 264 -}; -# endif - -/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ -static const yytype_uint8 yyr1[] = -{ - 0, 15, 16, 16, 16, 16, 17, 17, 18, 18, - 18, 18, 18, 18, 19, 19 -}; - -/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ -static const yytype_uint8 yyr2[] = -{ - 0, 2, 3, 3, 3, 1, 1, 1, 3, 3, - 3, 3, 3, 3, 3, 3 -}; - -/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state - STATE-NUM when YYTABLE doesn't specify something else to do. Zero - means the default is an error. */ -static const yytype_uint8 yydefact[] = -{ - 0, 0, 0, 0, 5, 6, 7, 0, 0, 0, - 0, 0, 0, 0, 1, 0, 0, 4, 11, 15, - 9, 12, 10, 8, 14, 13, 3, 2 -}; - -/* YYDEFGOTO[NTERM-NUM]. */ -static const yytype_int8 yydefgoto[] = -{ - -1, 3, 4, 5, 6 -}; - -/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing - STATE-NUM. */ -#define YYPACT_NINF -6 -static const yytype_int8 yypact[] = -{ - 0, 0, 7, 1, -6, -6, -6, 5, -3, -5, - 6, 17, 15, 18, -6, 0, 0, -6, -6, -6, - -6, -6, -6, -6, -6, -6, -6, 21 -}; - -/* YYPGOTO[NTERM-NUM]. */ -static const yytype_int8 yypgoto[] = -{ - -6, -1, -6, -6, -6 -}; - -/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If - positive, shift that token. If negative, reduce the rule which - number is the opposite. If zero, do what YYDEFACT says. - If YYTABLE_NINF, syntax error. */ -#define YYTABLE_NINF -1 -static const yytype_uint8 yytable[] = -{ - 7, 14, 20, 1, 18, 19, 15, 16, 2, 17, - 15, 16, 0, 21, 26, 27, 8, 9, 10, 11, - 12, 13, 23, 24, 22, 25, 15 -}; - -static const yytype_int8 yycheck[] = -{ - 1, 0, 7, 3, 7, 8, 5, 6, 8, 4, - 5, 6, -1, 7, 15, 16, 9, 10, 11, 12, - 13, 14, 7, 8, 7, 7, 5 -}; - -/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing - symbol of state STATE-NUM. */ -static const yytype_uint8 yystos[] = -{ - 0, 3, 8, 16, 17, 18, 19, 16, 9, 10, - 11, 12, 13, 14, 0, 5, 6, 4, 7, 8, - 7, 7, 7, 7, 8, 7, 16, 16 -}; - -#define yyerrok (yyerrstatus = 0) -#define yyclearin (yychar = YYEMPTY) -#define YYEMPTY (-2) -#define YYEOF 0 - -#define YYACCEPT goto yyacceptlab -#define YYABORT goto yyabortlab -#define YYERROR goto yyerrorlab - - -/* Like YYERROR except do call yyerror. This remains here temporarily - to ease the transition to the new meaning of YYERROR, for GCC. - Once GCC version 2 has supplanted version 1, this can go. */ - -#define YYFAIL goto yyerrlab - -#define YYRECOVERING() (!!yyerrstatus) - -#define YYBACKUP(Token, Value) \ -do \ - if (yychar == YYEMPTY && yylen == 1) \ - { \ - yychar = (Token); \ - yylval = (Value); \ - yytoken = YYTRANSLATE (yychar); \ - YYPOPSTACK (1); \ - goto yybackup; \ - } \ - else \ - { \ - yyerror (YY_("syntax error: cannot back up")); \ - YYERROR; \ - } \ -while (YYID (0)) - - -#define YYTERROR 1 -#define YYERRCODE 256 - - -/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. - If N is 0, then set CURRENT to the empty location which ends - the previous symbol: RHS[0] (always defined). */ - -#define YYRHSLOC(Rhs, K) ((Rhs)[K]) -#ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ - do \ - if (YYID (N)) \ - { \ - (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ - (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ - (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ - (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ - } \ - else \ - { \ - (Current).first_line = (Current).last_line = \ - YYRHSLOC (Rhs, 0).last_line; \ - (Current).first_column = (Current).last_column = \ - YYRHSLOC (Rhs, 0).last_column; \ - } \ - while (YYID (0)) -#endif - - -/* YY_LOCATION_PRINT -- Print the location on the stream. - This macro was not mandated originally: define only if we know - we won't break user code: when these are the locations we know. */ - -#ifndef YY_LOCATION_PRINT -# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL -# define YY_LOCATION_PRINT(File, Loc) \ - fprintf (File, "%d.%d-%d.%d", \ - (Loc).first_line, (Loc).first_column, \ - (Loc).last_line, (Loc).last_column) -# else -# define YY_LOCATION_PRINT(File, Loc) ((void) 0) -# endif -#endif - - -/* YYLEX -- calling `yylex' with the right arguments. */ - -#ifdef YYLEX_PARAM -# define YYLEX yylex (YYLEX_PARAM) -#else -# define YYLEX yylex () -#endif - -/* Enable debugging if requested. */ -#if YYDEBUG - -# ifndef YYFPRINTF -# include /* INFRINGES ON USER NAME SPACE */ -# define YYFPRINTF fprintf -# endif - -# define YYDPRINTF(Args) \ -do { \ - if (yydebug) \ - YYFPRINTF Args; \ -} while (YYID (0)) - -# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ -do { \ - if (yydebug) \ - { \ - YYFPRINTF (stderr, "%s ", Title); \ - yy_symbol_print (stderr, \ - Type, Value); \ - YYFPRINTF (stderr, "\n"); \ - } \ -} while (YYID (0)) - - -/*--------------------------------. -| Print this symbol on YYOUTPUT. | -`--------------------------------*/ - -/*ARGSUSED*/ -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static void -yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) -#else -static void -yy_symbol_value_print (yyoutput, yytype, yyvaluep) - FILE *yyoutput; - int yytype; - YYSTYPE const * const yyvaluep; -#endif -{ - if (!yyvaluep) - return; -# ifdef YYPRINT - if (yytype < YYNTOKENS) - YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); -# else - YYUSE (yyoutput); -# endif - switch (yytype) - { - default: - break; - } -} - - -/*--------------------------------. -| Print this symbol on YYOUTPUT. | -`--------------------------------*/ - -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static void -yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) -#else -static void -yy_symbol_print (yyoutput, yytype, yyvaluep) - FILE *yyoutput; - int yytype; - YYSTYPE const * const yyvaluep; -#endif -{ - if (yytype < YYNTOKENS) - YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); - else - YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); - - yy_symbol_value_print (yyoutput, yytype, yyvaluep); - YYFPRINTF (yyoutput, ")"); -} - -/*------------------------------------------------------------------. -| yy_stack_print -- Print the state stack from its BOTTOM up to its | -| TOP (included). | -`------------------------------------------------------------------*/ - -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static void -yy_stack_print (yytype_int16 *bottom, yytype_int16 *top) -#else -static void -yy_stack_print (bottom, top) - yytype_int16 *bottom; - yytype_int16 *top; -#endif -{ - YYFPRINTF (stderr, "Stack now"); - for (; bottom <= top; ++bottom) - YYFPRINTF (stderr, " %d", *bottom); - YYFPRINTF (stderr, "\n"); -} - -# define YY_STACK_PRINT(Bottom, Top) \ -do { \ - if (yydebug) \ - yy_stack_print ((Bottom), (Top)); \ -} while (YYID (0)) - - -/*------------------------------------------------. -| Report that the YYRULE is going to be reduced. | -`------------------------------------------------*/ - -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static void -yy_reduce_print (YYSTYPE *yyvsp, int yyrule) -#else -static void -yy_reduce_print (yyvsp, yyrule) - YYSTYPE *yyvsp; - int yyrule; -#endif -{ - int yynrhs = yyr2[yyrule]; - int yyi; - unsigned long int yylno = yyrline[yyrule]; - YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", - yyrule - 1, yylno); - /* The symbols being reduced. */ - for (yyi = 0; yyi < yynrhs; yyi++) - { - fprintf (stderr, " $%d = ", yyi + 1); - yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], - &(yyvsp[(yyi + 1) - (yynrhs)]) - ); - fprintf (stderr, "\n"); - } -} - -# define YY_REDUCE_PRINT(Rule) \ -do { \ - if (yydebug) \ - yy_reduce_print (yyvsp, Rule); \ -} while (YYID (0)) - -/* Nonzero means print parse trace. It is left uninitialized so that - multiple parsers can coexist. */ -int yydebug; -#else /* !YYDEBUG */ -# define YYDPRINTF(Args) -# define YY_SYMBOL_PRINT(Title, Type, Value, Location) -# define YY_STACK_PRINT(Bottom, Top) -# define YY_REDUCE_PRINT(Rule) -#endif /* !YYDEBUG */ - - -/* YYINITDEPTH -- initial size of the parser's stacks. */ -#ifndef YYINITDEPTH -# define YYINITDEPTH 200 -#endif - -/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only - if the built-in stack extension method is used). - - Do not make this value too large; the results are undefined if - YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) - evaluated with infinite-precision integer arithmetic. */ - -#ifndef YYMAXDEPTH -# define YYMAXDEPTH 10000 -#endif - - - -#if YYERROR_VERBOSE - -# ifndef yystrlen -# if defined __GLIBC__ && defined _STRING_H -# define yystrlen strlen -# else -/* Return the length of YYSTR. */ -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static YYSIZE_T -yystrlen (const char *yystr) -#else -static YYSIZE_T -yystrlen (yystr) - const char *yystr; -#endif -{ - YYSIZE_T yylen; - for (yylen = 0; yystr[yylen]; yylen++) - continue; - return yylen; -} -# endif -# endif - -# ifndef yystpcpy -# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE -# define yystpcpy stpcpy -# else -/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in - YYDEST. */ -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static char * -yystpcpy (char *yydest, const char *yysrc) -#else -static char * -yystpcpy (yydest, yysrc) - char *yydest; - const char *yysrc; -#endif -{ - char *yyd = yydest; - const char *yys = yysrc; - - while ((*yyd++ = *yys++) != '\0') - continue; - - return yyd - 1; -} -# endif -# endif - -# ifndef yytnamerr -/* Copy to YYRES the contents of YYSTR after stripping away unnecessary - quotes and backslashes, so that it's suitable for yyerror. The - heuristic is that double-quoting is unnecessary unless the string - contains an apostrophe, a comma, or backslash (other than - backslash-backslash). YYSTR is taken from yytname. If YYRES is - null, do not copy; instead, return the length of what the result - would have been. */ -static YYSIZE_T -yytnamerr (char *yyres, const char *yystr) -{ - if (*yystr == '"') - { - YYSIZE_T yyn = 0; - char const *yyp = yystr; - - for (;;) - switch (*++yyp) - { - case '\'': - case ',': - goto do_not_strip_quotes; - - case '\\': - if (*++yyp != '\\') - goto do_not_strip_quotes; - /* Fall through. */ - default: - if (yyres) - yyres[yyn] = *yyp; - yyn++; - break; - - case '"': - if (yyres) - yyres[yyn] = '\0'; - return yyn; - } - do_not_strip_quotes: ; - } - - if (! yyres) - return yystrlen (yystr); - - return yystpcpy (yyres, yystr) - yyres; -} -# endif - -/* Copy into YYRESULT an error message about the unexpected token - YYCHAR while in state YYSTATE. Return the number of bytes copied, - including the terminating null byte. If YYRESULT is null, do not - copy anything; just return the number of bytes that would be - copied. As a special case, return 0 if an ordinary "syntax error" - message will do. Return YYSIZE_MAXIMUM if overflow occurs during - size calculation. */ -static YYSIZE_T -yysyntax_error (char *yyresult, int yystate, int yychar) -{ - int yyn = yypact[yystate]; - - if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) - return 0; - else - { - int yytype = YYTRANSLATE (yychar); - YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); - YYSIZE_T yysize = yysize0; - YYSIZE_T yysize1; - int yysize_overflow = 0; - enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; - char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; - int yyx; - -# if 0 - /* This is so xgettext sees the translatable formats that are - constructed on the fly. */ - YY_("syntax error, unexpected %s"); - YY_("syntax error, unexpected %s, expecting %s"); - YY_("syntax error, unexpected %s, expecting %s or %s"); - YY_("syntax error, unexpected %s, expecting %s or %s or %s"); - YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); -# endif - char *yyfmt; - char const *yyf; - static char const yyunexpected[] = "syntax error, unexpected %s"; - static char const yyexpecting[] = ", expecting %s"; - static char const yyor[] = " or %s"; - char yyformat[sizeof yyunexpected - + sizeof yyexpecting - 1 - + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) - * (sizeof yyor - 1))]; - char const *yyprefix = yyexpecting; - - /* Start YYX at -YYN if negative to avoid negative indexes in - YYCHECK. */ - int yyxbegin = yyn < 0 ? -yyn : 0; - - /* Stay within bounds of both yycheck and yytname. */ - int yychecklim = YYLAST - yyn + 1; - int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; - int yycount = 1; - - yyarg[0] = yytname[yytype]; - yyfmt = yystpcpy (yyformat, yyunexpected); - - for (yyx = yyxbegin; yyx < yyxend; ++yyx) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - { - if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) - { - yycount = 1; - yysize = yysize0; - yyformat[sizeof yyunexpected - 1] = '\0'; - break; - } - yyarg[yycount++] = yytname[yyx]; - yysize1 = yysize + yytnamerr (0, yytname[yyx]); - yysize_overflow |= (yysize1 < yysize); - yysize = yysize1; - yyfmt = yystpcpy (yyfmt, yyprefix); - yyprefix = yyor; - } - - yyf = YY_(yyformat); - yysize1 = yysize + yystrlen (yyf); - yysize_overflow |= (yysize1 < yysize); - yysize = yysize1; - - if (yysize_overflow) - return YYSIZE_MAXIMUM; - - if (yyresult) - { - /* Avoid sprintf, as that infringes on the user's name space. - Don't have undefined behavior even if the translation - produced a string with the wrong number of "%s"s. */ - char *yyp = yyresult; - int yyi = 0; - while ((*yyp = *yyf) != '\0') - { - if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) - { - yyp += yytnamerr (yyp, yyarg[yyi++]); - yyf += 2; - } - else - { - yyp++; - yyf++; - } - } - } - return yysize; - } -} -#endif /* YYERROR_VERBOSE */ - - -/*-----------------------------------------------. -| Release the memory associated to this symbol. | -`-----------------------------------------------*/ - -/*ARGSUSED*/ -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static void -yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) -#else -static void -yydestruct (yymsg, yytype, yyvaluep) - const char *yymsg; - int yytype; - YYSTYPE *yyvaluep; -#endif -{ - YYUSE (yyvaluep); - - if (!yymsg) - yymsg = "Deleting"; - YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); - - switch (yytype) - { - - default: - break; - } -} - - -/* Prevent warnings from -Wmissing-prototypes. */ - -#ifdef YYPARSE_PARAM -#if defined __STDC__ || defined __cplusplus -int yyparse (void *YYPARSE_PARAM); -#else -int yyparse (); -#endif -#else /* ! YYPARSE_PARAM */ -#if defined __STDC__ || defined __cplusplus -int yyparse (void); -#else -int yyparse (); -#endif -#endif /* ! YYPARSE_PARAM */ - - - -/* The look-ahead symbol. */ -int yychar; - -/* The semantic value of the look-ahead symbol. */ -YYSTYPE yylval; - -/* Number of syntax errors so far. */ -int yynerrs; - - - -/*----------. -| yyparse. | -`----------*/ - -#ifdef YYPARSE_PARAM -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -int -yyparse (void *YYPARSE_PARAM) -#else -int -yyparse (YYPARSE_PARAM) - void *YYPARSE_PARAM; -#endif -#else /* ! YYPARSE_PARAM */ -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -int -yyparse (void) -#else -int -yyparse () - -#endif -#endif -{ - - int yystate; - int yyn; - int yyresult; - /* Number of tokens to shift before error messages enabled. */ - int yyerrstatus; - /* Look-ahead token as an internal (translated) token number. */ - int yytoken = 0; -#if YYERROR_VERBOSE - /* Buffer for error messages, and its allocated size. */ - char yymsgbuf[128]; - char *yymsg = yymsgbuf; - YYSIZE_T yymsg_alloc = sizeof yymsgbuf; -#endif - - /* Three stacks and their tools: - `yyss': related to states, - `yyvs': related to semantic values, - `yyls': related to locations. - - Refer to the stacks thru separate pointers, to allow yyoverflow - to reallocate them elsewhere. */ - - /* The state stack. */ - yytype_int16 yyssa[YYINITDEPTH]; - yytype_int16 *yyss = yyssa; - yytype_int16 *yyssp; - - /* The semantic value stack. */ - YYSTYPE yyvsa[YYINITDEPTH]; - YYSTYPE *yyvs = yyvsa; - YYSTYPE *yyvsp; - - - -#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) - - YYSIZE_T yystacksize = YYINITDEPTH; - - /* The variables used to return semantic value and location from the - action routines. */ - YYSTYPE yyval; - - - /* The number of symbols on the RHS of the reduced rule. - Keep to zero when no symbol should be popped. */ - int yylen = 0; - - YYDPRINTF ((stderr, "Starting parse\n")); - - yystate = 0; - yyerrstatus = 0; - yynerrs = 0; - yychar = YYEMPTY; /* Cause a token to be read. */ - - /* Initialize stack pointers. - Waste one element of value and location stack - so that they stay on the same level as the state stack. - The wasted elements are never initialized. */ - - yyssp = yyss; - yyvsp = yyvs; - - goto yysetstate; - -/*------------------------------------------------------------. -| yynewstate -- Push a new state, which is found in yystate. | -`------------------------------------------------------------*/ - yynewstate: - /* In all cases, when you get here, the value and location stacks - have just been pushed. So pushing a state here evens the stacks. */ - yyssp++; - - yysetstate: - *yyssp = yystate; - - if (yyss + yystacksize - 1 <= yyssp) - { - /* Get the current used size of the three stacks, in elements. */ - YYSIZE_T yysize = yyssp - yyss + 1; - -#ifdef yyoverflow - { - /* Give user a chance to reallocate the stack. Use copies of - these so that the &'s don't force the real ones into - memory. */ - YYSTYPE *yyvs1 = yyvs; - yytype_int16 *yyss1 = yyss; - - - /* Each stack pointer address is followed by the size of the - data in use in that stack, in bytes. This used to be a - conditional around just the two extra args, but that might - be undefined if yyoverflow is a macro. */ - yyoverflow (YY_("memory exhausted"), - &yyss1, yysize * sizeof (*yyssp), - &yyvs1, yysize * sizeof (*yyvsp), - - &yystacksize); - - yyss = yyss1; - yyvs = yyvs1; - } -#else /* no yyoverflow */ -# ifndef YYSTACK_RELOCATE - goto yyexhaustedlab; -# else - /* Extend the stack our own way. */ - if (YYMAXDEPTH <= yystacksize) - goto yyexhaustedlab; - yystacksize *= 2; - if (YYMAXDEPTH < yystacksize) - yystacksize = YYMAXDEPTH; - - { - yytype_int16 *yyss1 = yyss; - union yyalloc *yyptr = - (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); - if (! yyptr) - goto yyexhaustedlab; - YYSTACK_RELOCATE (yyss); - YYSTACK_RELOCATE (yyvs); - -# undef YYSTACK_RELOCATE - if (yyss1 != yyssa) - YYSTACK_FREE (yyss1); - } -# endif -#endif /* no yyoverflow */ - - yyssp = yyss + yysize - 1; - yyvsp = yyvs + yysize - 1; - - - YYDPRINTF ((stderr, "Stack size increased to %lu\n", - (unsigned long int) yystacksize)); - - if (yyss + yystacksize - 1 <= yyssp) - YYABORT; - } - - YYDPRINTF ((stderr, "Entering state %d\n", yystate)); - - goto yybackup; - -/*-----------. -| yybackup. | -`-----------*/ -yybackup: - - /* Do appropriate processing given the current state. Read a - look-ahead token if we need one and don't already have one. */ - - /* First try to decide what to do without reference to look-ahead token. */ - yyn = yypact[yystate]; - if (yyn == YYPACT_NINF) - goto yydefault; - - /* Not known => get a look-ahead token if don't already have one. */ - - /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */ - if (yychar == YYEMPTY) - { - YYDPRINTF ((stderr, "Reading a token: ")); - yychar = YYLEX; - } - - if (yychar <= YYEOF) - { - yychar = yytoken = YYEOF; - YYDPRINTF ((stderr, "Now at end of input.\n")); - } - else - { - yytoken = YYTRANSLATE (yychar); - YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); - } - - /* If the proper action on seeing token YYTOKEN is to reduce or to - detect an error, take that action. */ - yyn += yytoken; - if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) - goto yydefault; - yyn = yytable[yyn]; - if (yyn <= 0) - { - if (yyn == 0 || yyn == YYTABLE_NINF) - goto yyerrlab; - yyn = -yyn; - goto yyreduce; - } - - if (yyn == YYFINAL) - YYACCEPT; - - /* Count tokens shifted since error; after three, turn off error - status. */ - if (yyerrstatus) - yyerrstatus--; - - /* Shift the look-ahead token. */ - YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); - - /* Discard the shifted token unless it is eof. */ - if (yychar != YYEOF) - yychar = YYEMPTY; - - yystate = yyn; - *++yyvsp = yylval; - - goto yynewstate; - - -/*-----------------------------------------------------------. -| yydefault -- do the default action for the current state. | -`-----------------------------------------------------------*/ -yydefault: - yyn = yydefact[yystate]; - if (yyn == 0) - goto yyerrlab; - goto yyreduce; - - -/*-----------------------------. -| yyreduce -- Do a reduction. | -`-----------------------------*/ -yyreduce: - /* yyn is the number of a rule to reduce with. */ - yylen = yyr2[yyn]; - - /* If YYLEN is nonzero, implement the default value of the action: - `$$ = $1'. - - Otherwise, the following line sets YYVAL to garbage. - This behavior is undocumented and Bison - users should not rely upon it. Assigning to YYVAL - unconditionally makes the parser a bit smaller, and it avoids a - GCC warning that YYVAL may be used uninitialized. */ - yyval = yyvsp[1-yylen]; - - - YY_REDUCE_PRINT (yyn); - switch (yyn) - { - case 2: -#line 48 "zmap.y" - { - (yyval.expr) = make_op_node(OR); - (yyval.expr)->left_child = (yyvsp[(1) - (3)].expr); - (yyval.expr)->right_child = (yyvsp[(3) - (3)].expr); - print_expression((yyval.expr)); - printf("%s\n", ""); - } - break; - - case 3: -#line 56 "zmap.y" - { - (yyval.expr) = make_op_node(AND); - (yyval.expr)->left_child = (yyvsp[(1) - (3)].expr); - (yyval.expr)->right_child = (yyvsp[(3) - (3)].expr); - print_expression((yyval.expr)); - printf("%s\n", ""); - } - break; - - case 4: -#line 64 "zmap.y" - { - (yyval.expr) = (yyvsp[(2) - (3)].expr); - } - break; - - case 5: -#line 68 "zmap.y" - { - (yyval.expr) = (yyvsp[(1) - (1)].expr); - } - break; - - case 6: -#line 74 "zmap.y" - { - (yyval.expr) = (yyvsp[(1) - (1)].expr); - } - break; - - case 7: -#line 78 "zmap.y" - { - (yyval.expr) = (yyvsp[(1) - (1)].expr); - } - break; - - case 8: -#line 84 "zmap.y" - { - printf("number_filter: %s = %d\n", (yyvsp[(1) - (3)].string_literal), (yyvsp[(3) - (3)].int_literal)); - (yyval.expr) = make_op_node(EQ); - (yyval.expr)->left_child = make_field_node((yyvsp[(1) - (3)].string_literal)); - (yyval.expr)->right_child = make_int_node((yyvsp[(3) - (3)].int_literal)); - } - break; - - case 9: -#line 92 "zmap.y" - { - printf("number_filter: %s > %d\n", (yyvsp[(1) - (3)].string_literal), (yyvsp[(3) - (3)].int_literal)); - (yyval.expr) = make_op_node(GT); - (yyval.expr)->left_child = make_field_node((yyvsp[(1) - (3)].string_literal)); - (yyval.expr)->right_child = make_int_node((yyvsp[(3) - (3)].int_literal)); - } - break; - - case 10: -#line 100 "zmap.y" - { - printf("number_filter: %s < %d\n", (yyvsp[(1) - (3)].string_literal), (yyvsp[(3) - (3)].int_literal)); - } - break; - - case 11: -#line 105 "zmap.y" - { - printf("number_filter: %s != %d\n", (yyvsp[(1) - (3)].string_literal), (yyvsp[(3) - (3)].int_literal)); - } - break; - - case 12: -#line 110 "zmap.y" - { - printf("number_filter: %s >= %d\n", (yyvsp[(1) - (3)].string_literal), (yyvsp[(3) - (3)].int_literal)); - } - break; - - case 13: -#line 115 "zmap.y" - { - printf("number_filter: %s <= %d\n", (yyvsp[(1) - (3)].string_literal), (yyvsp[(3) - (3)].int_literal)); - } - break; - - case 14: -#line 122 "zmap.y" - { - printf("string_filter %s = %s\n", (yyvsp[(1) - (3)].string_literal), (yyvsp[(3) - (3)].string_literal)); - } - break; - - case 15: -#line 127 "zmap.y" - { - printf("string_filter: %s != %s\n", (yyvsp[(1) - (3)].string_literal), (yyvsp[(3) - (3)].string_literal)); - } - break; - - -/* Line 1267 of yacc.c. */ -#line 1470 "y.tab.c" - default: break; - } - YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); - - YYPOPSTACK (yylen); - yylen = 0; - YY_STACK_PRINT (yyss, yyssp); - - *++yyvsp = yyval; - - - /* Now `shift' the result of the reduction. Determine what state - that goes to, based on the state we popped back to and the rule - number reduced by. */ - - yyn = yyr1[yyn]; - - yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; - if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) - yystate = yytable[yystate]; - else - yystate = yydefgoto[yyn - YYNTOKENS]; - - goto yynewstate; - - -/*------------------------------------. -| yyerrlab -- here on detecting error | -`------------------------------------*/ -yyerrlab: - /* If not already recovering from an error, report this error. */ - if (!yyerrstatus) - { - ++yynerrs; -#if ! YYERROR_VERBOSE - yyerror (YY_("syntax error")); -#else - { - YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); - if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) - { - YYSIZE_T yyalloc = 2 * yysize; - if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) - yyalloc = YYSTACK_ALLOC_MAXIMUM; - if (yymsg != yymsgbuf) - YYSTACK_FREE (yymsg); - yymsg = (char *) YYSTACK_ALLOC (yyalloc); - if (yymsg) - yymsg_alloc = yyalloc; - else - { - yymsg = yymsgbuf; - yymsg_alloc = sizeof yymsgbuf; - } - } - - if (0 < yysize && yysize <= yymsg_alloc) - { - (void) yysyntax_error (yymsg, yystate, yychar); - yyerror (yymsg); - } - else - { - yyerror (YY_("syntax error")); - if (yysize != 0) - goto yyexhaustedlab; - } - } -#endif - } - - - - if (yyerrstatus == 3) - { - /* If just tried and failed to reuse look-ahead token after an - error, discard it. */ - - if (yychar <= YYEOF) - { - /* Return failure if at end of input. */ - if (yychar == YYEOF) - YYABORT; - } - else - { - yydestruct ("Error: discarding", - yytoken, &yylval); - yychar = YYEMPTY; - } - } - - /* Else will try to reuse look-ahead token after shifting the error - token. */ - goto yyerrlab1; - - -/*---------------------------------------------------. -| yyerrorlab -- error raised explicitly by YYERROR. | -`---------------------------------------------------*/ -yyerrorlab: - - /* Pacify compilers like GCC when the user code never invokes - YYERROR and the label yyerrorlab therefore never appears in user - code. */ - if (/*CONSTCOND*/ 0) - goto yyerrorlab; - - /* Do not reclaim the symbols of the rule which action triggered - this YYERROR. */ - YYPOPSTACK (yylen); - yylen = 0; - YY_STACK_PRINT (yyss, yyssp); - yystate = *yyssp; - goto yyerrlab1; - - -/*-------------------------------------------------------------. -| yyerrlab1 -- common code for both syntax error and YYERROR. | -`-------------------------------------------------------------*/ -yyerrlab1: - yyerrstatus = 3; /* Each real token shifted decrements this. */ - - for (;;) - { - yyn = yypact[yystate]; - if (yyn != YYPACT_NINF) - { - yyn += YYTERROR; - if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) - { - yyn = yytable[yyn]; - if (0 < yyn) - break; - } - } - - /* Pop the current state because it cannot handle the error token. */ - if (yyssp == yyss) - YYABORT; - - - yydestruct ("Error: popping", - yystos[yystate], yyvsp); - YYPOPSTACK (1); - yystate = *yyssp; - YY_STACK_PRINT (yyss, yyssp); - } - - if (yyn == YYFINAL) - YYACCEPT; - - *++yyvsp = yylval; - - - /* Shift the error token. */ - YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); - - yystate = yyn; - goto yynewstate; - - -/*-------------------------------------. -| yyacceptlab -- YYACCEPT comes here. | -`-------------------------------------*/ -yyacceptlab: - yyresult = 0; - goto yyreturn; - -/*-----------------------------------. -| yyabortlab -- YYABORT comes here. | -`-----------------------------------*/ -yyabortlab: - yyresult = 1; - goto yyreturn; - -#ifndef yyoverflow -/*-------------------------------------------------. -| yyexhaustedlab -- memory exhaustion comes here. | -`-------------------------------------------------*/ -yyexhaustedlab: - yyerror (YY_("memory exhausted")); - yyresult = 2; - /* Fall through. */ -#endif - -yyreturn: - if (yychar != YYEOF && yychar != YYEMPTY) - yydestruct ("Cleanup: discarding lookahead", - yytoken, &yylval); - /* Do not reclaim the symbols of the rule which action triggered - this YYABORT or YYACCEPT. */ - YYPOPSTACK (yylen); - YY_STACK_PRINT (yyss, yyssp); - while (yyssp != yyss) - { - yydestruct ("Cleanup: popping", - yystos[*yyssp], yyvsp); - YYPOPSTACK (1); - } -#ifndef yyoverflow - if (yyss != yyssa) - YYSTACK_FREE (yyss); -#endif -#if YYERROR_VERBOSE - if (yymsg != yymsgbuf) - YYSTACK_FREE (yymsg); -#endif - /* Make sure YYID is used. */ - return YYID (yyresult); -} - - -#line 132 "zmap.y" - - - - diff --git a/filter_sandbox/y.tab.h b/filter_sandbox/y.tab.h deleted file mode 100644 index 305eba0..0000000 --- a/filter_sandbox/y.tab.h +++ /dev/null @@ -1,80 +0,0 @@ -/* A Bison parser, made by GNU Bison 2.3. */ - -/* Skeleton interface for Bison's Yacc-like parsers in C - - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 - Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ - -/* As a special exception, you may create a larger work that contains - part or all of the Bison parser skeleton and distribute that work - under terms of your choice, so long as that work isn't itself a - parser generator using the skeleton or a modified version thereof - as a parser skeleton. Alternatively, if you modify or redistribute - the parser skeleton itself, you may (at your option) remove this - special exception, which will cause the skeleton and the resulting - Bison output files to be licensed under the GNU General Public - License without this special exception. - - This special exception was added by the Free Software Foundation in - version 2.2 of Bison. */ - -/* Tokens. */ -#ifndef YYTOKENTYPE -# define YYTOKENTYPE - /* Put the tokens into the symbol table, so that GDB and other debuggers - know about them. */ - enum yytokentype { - T_AND = 258, - T_OR = 259, - T_NUMBER = 260, - T_FIELD = 261, - T_NOT_EQ = 262, - T_GT_EQ = 263, - T_LT_EQ = 264 - }; -#endif -/* Tokens. */ -#define T_AND 258 -#define T_OR 259 -#define T_NUMBER 260 -#define T_FIELD 261 -#define T_NOT_EQ 262 -#define T_GT_EQ 263 -#define T_LT_EQ 264 - - - - -#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED -typedef union YYSTYPE -#line 24 "zmap.y" -{ - int int_literal; - char *string_literal; - struct node *expr; -} -/* Line 1529 of yacc.c. */ -#line 73 "y.tab.h" - YYSTYPE; -# define yystype YYSTYPE /* obsolescent; will be withdrawn */ -# define YYSTYPE_IS_DECLARED 1 -# define YYSTYPE_IS_TRIVIAL 1 -#endif - -extern YYSTYPE yylval; - diff --git a/filter_sandbox/tree.c b/src/expression.c similarity index 100% rename from filter_sandbox/tree.c rename to src/expression.c diff --git a/filter_sandbox/tree.h b/src/expression.h similarity index 100% rename from filter_sandbox/tree.h rename to src/expression.h diff --git a/src/zmap.c b/src/zmap.c index 083566d..9fe5b2c 100644 --- a/src/zmap.c +++ b/src/zmap.c @@ -1,630 +1,613 @@ -/* - * ZMap Copyright 2013 Regents of the University of Michigan - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may not - * use this file except in compliance with the License. You may obtain a copy - * of the License at http://www.apache.org/licenses/LICENSE-2.0 - */ +#ifndef lint +static const char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93"; +#endif -#define _GNU_SOURCE +#define YYBYACC 1 +#define YYMAJOR 1 +#define YYMINOR 9 +#define YYPATCH 20120115 -#include +#define YYEMPTY (-1) +#define yyclearin (yychar = YYEMPTY) +#define yyerrok (yyerrflag = 0) +#define YYRECOVERING() (yyerrflag != 0) + +#define YYPREFIX "yy" + +#define YYPURE 0 + +#line 2 "zmap.y" #include #include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include - -#include - -#include - -#include "../lib/logger.h" -#include "../lib/random.h" - -#include "zopt.h" -#include "send.h" -#include "recv.h" -#include "state.h" -#include "monitor.h" -#include "get_gateway.h" - -#include "output_modules/output_modules.h" -#include "probe_modules/probe_modules.h" - -pthread_mutex_t cpu_affinity_mutex = PTHREAD_MUTEX_INITIALIZER; -pthread_mutex_t recv_ready_mutex = PTHREAD_MUTEX_INITIALIZER; - -// splits comma delimited string into char*[]. Does not handle -// escaping or complicated setups: designed to process a set -// of fields that the user wants output -static void split_string(char* in, int *len, char***results) +#include "expression.h" + +void yyerror(const char *str) { - char** fields = calloc(MAX_FIELDS, sizeof(char*)); - memset(fields, 0, MAX_FIELDS*sizeof(fields)); - int retvlen = 0; - char *currloc = in; - // parse csv into a set of strings - while (1) { - size_t len = strcspn(currloc, ", "); - if (len == 0) { - currloc++; - } else { - char *new = malloc(len+1); - assert(new); - strncpy(new, currloc, len); - new[len] = '\0'; - fields[retvlen++] = new; - assert(fields[retvlen-1]); - } - if (len == strlen(currloc)) { - break; - } - currloc += len; + fprintf(stderr,"error: %s\n",str); + fprintf(stderr, "%s\n", "YOLO"); +} + +int yywrap() +{ + return 1; +} + +#line 19 "zmap.y" +#ifdef YYSTYPE +#undef YYSTYPE_IS_DECLARED +#define YYSTYPE_IS_DECLARED 1 +#endif +#ifndef YYSTYPE_IS_DECLARED +#define YYSTYPE_IS_DECLARED 1 +typedef union { + int int_literal; + char *string_literal; + struct node *expr; +} YYSTYPE; +#endif /* !YYSTYPE_IS_DECLARED */ +#line 48 "y.tab.c" + +/* compatibility with bison */ +#ifdef YYPARSE_PARAM +/* compatibility with FreeBSD */ +# ifdef YYPARSE_PARAM_TYPE +# define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM) +# else +# define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM) +# endif +#else +# define YYPARSE_DECL() yyparse(void) +#endif + +/* Parameters sent to lex. */ +#ifdef YYLEX_PARAM +# define YYLEX_DECL() yylex(void *YYLEX_PARAM) +# define YYLEX yylex(YYLEX_PARAM) +#else +# define YYLEX_DECL() yylex(void) +# define YYLEX yylex() +#endif + +/* Parameters sent to yyerror. */ +#ifndef YYERROR_DECL +#define YYERROR_DECL() yyerror(const char *s) +#endif +#ifndef YYERROR_CALL +#define YYERROR_CALL(msg) yyerror(msg) +#endif + +extern int YYPARSE_DECL(); + +#define T_AND 257 +#define T_OR 258 +#define T_NUMBER 259 +#define T_FIELD 260 +#define T_NOT_EQ 261 +#define T_GT_EQ 262 +#define T_LT_EQ 263 +#define YYERRCODE 256 +static const short yylhs[] = { -1, + 0, 0, 0, 0, 1, 1, 2, 2, 2, 2, + 2, 2, 3, 3, +}; +static const short yylen[] = { 2, + 3, 3, 3, 1, 1, 1, 3, 3, 3, 3, + 3, 3, 3, 3, +}; +static const short yydefred[] = { 0, + 0, 0, 0, 4, 5, 6, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 3, 10, 14, 11, 8, + 9, 7, 13, 12, 2, 0, +}; +static const short yydgoto[] = { 3, + 4, 5, 6, +}; +static const short yysindex[] = { -40, + -40, -57, -250, 0, 0, 0, -39, -249, -245, -244, + -243, -247, -242, -40, -40, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, -248, +}; +static const short yyrindex[] = { 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, +}; +static const short yygindex[] = { 5, + 0, 0, 0, +}; +#define YYTABLESIZE 259 +static const short yytable[] = { 1, + 1, 16, 11, 12, 10, 7, 14, 15, 14, 17, + 18, 22, 23, 19, 20, 21, 24, 0, 25, 26, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 8, 9, 13, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 14, 15, 2, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, +}; +static const short yycheck[] = { 40, + 0, 41, 60, 61, 62, 1, 257, 258, 257, 259, + 260, 259, 260, 259, 259, 259, 259, -1, 14, 15, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 41, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 261, 262, 263, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 257, 258, 260, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, 258, +}; +#define YYFINAL 3 +#ifndef YYDEBUG +#define YYDEBUG 0 +#endif +#define YYMAXTOKEN 263 +#if YYDEBUG +static const char *yyname[] = { + +"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,"'('","')'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'<'","'='","'>'",0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"T_AND", +"T_OR","T_NUMBER","T_FIELD","T_NOT_EQ","T_GT_EQ","T_LT_EQ", +}; +static const char *yyrule[] = { +"$accept : filter_expr", +"filter_expr : filter_expr T_OR filter_expr", +"filter_expr : filter_expr T_AND filter_expr", +"filter_expr : '(' filter_expr ')'", +"filter_expr : filter", +"filter : number_filter", +"filter : string_filter", +"number_filter : T_FIELD '=' T_NUMBER", +"number_filter : T_FIELD '>' T_NUMBER", +"number_filter : T_FIELD '<' T_NUMBER", +"number_filter : T_FIELD T_NOT_EQ T_NUMBER", +"number_filter : T_FIELD T_GT_EQ T_NUMBER", +"number_filter : T_FIELD T_LT_EQ T_NUMBER", +"string_filter : T_FIELD '=' T_FIELD", +"string_filter : T_FIELD T_NOT_EQ T_FIELD", + +}; +#endif + +int yydebug; +int yynerrs; + +int yyerrflag; +int yychar; +YYSTYPE yyval; +YYSTYPE yylval; + +/* define the initial stack-sizes */ +#ifdef YYSTACKSIZE +#undef YYMAXDEPTH +#define YYMAXDEPTH YYSTACKSIZE +#else +#ifdef YYMAXDEPTH +#define YYSTACKSIZE YYMAXDEPTH +#else +#define YYSTACKSIZE 500 +#define YYMAXDEPTH 500 +#endif +#endif + +#define YYINITSTACKSIZE 500 + +typedef struct { + unsigned stacksize; + short *s_base; + short *s_mark; + short *s_last; + YYSTYPE *l_base; + YYSTYPE *l_mark; +} YYSTACKDATA; +/* variables for the parser stack */ +static YYSTACKDATA yystack; +#line 128 "zmap.y" + + +#line 248 "y.tab.c" + +#if YYDEBUG +#include /* needed for printf */ +#endif + +#include /* needed for malloc, etc */ +#include /* needed for memset */ + +/* allocate initial stack or double stack size, up to YYMAXDEPTH */ +static int yygrowstack(YYSTACKDATA *data) +{ + int i; + unsigned newsize; + short *newss; + YYSTYPE *newvs; + + if ((newsize = data->stacksize) == 0) + newsize = YYINITSTACKSIZE; + else if (newsize >= YYMAXDEPTH) + return -1; + else if ((newsize *= 2) > YYMAXDEPTH) + newsize = YYMAXDEPTH; + + i = data->s_mark - data->s_base; + newss = (short *)realloc(data->s_base, newsize * sizeof(*newss)); + if (newss == 0) + return -1; + + data->s_base = newss; + data->s_mark = newss + i; + + newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs)); + if (newvs == 0) + return -1; + + data->l_base = newvs; + data->l_mark = newvs + i; + + data->stacksize = newsize; + data->s_last = data->s_base + newsize - 1; + return 0; +} + +#if YYPURE || defined(YY_NO_LEAKS) +static void yyfreestack(YYSTACKDATA *data) +{ + free(data->s_base); + free(data->l_base); + memset(data, 0, sizeof(*data)); +} +#else +#define yyfreestack(data) /* nothing */ +#endif + +#define YYABORT goto yyabort +#define YYREJECT goto yyabort +#define YYACCEPT goto yyaccept +#define YYERROR goto yyerrlab + +int +YYPARSE_DECL() +{ + int yym, yyn, yystate; +#if YYDEBUG + const char *yys; + + if ((yys = getenv("YYDEBUG")) != 0) + { + yyn = *yys; + if (yyn >= '0' && yyn <= '9') + yydebug = yyn - '0'; + } +#endif + + yynerrs = 0; + yyerrflag = 0; + yychar = YYEMPTY; + yystate = 0; + +#if YYPURE + memset(&yystack, 0, sizeof(yystack)); +#endif + + if (yystack.s_base == NULL && yygrowstack(&yystack)) goto yyoverflow; + yystack.s_mark = yystack.s_base; + yystack.l_mark = yystack.l_base; + yystate = 0; + *yystack.s_mark = 0; + +yyloop: + if ((yyn = yydefred[yystate]) != 0) goto yyreduce; + if (yychar < 0) + { + if ((yychar = YYLEX) < 0) yychar = 0; +#if YYDEBUG + if (yydebug) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + printf("%sdebug: state %d, reading %d (%s)\n", + YYPREFIX, yystate, yychar, yys); } - *results = fields; - *len = retvlen; +#endif + } + if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yychar) + { +#if YYDEBUG + if (yydebug) + printf("%sdebug: state %d, shifting to state %d\n", + YYPREFIX, yystate, yytable[yyn]); +#endif + if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack)) + { + goto yyoverflow; + } + yystate = yytable[yyn]; + *++yystack.s_mark = yytable[yyn]; + *++yystack.l_mark = yylval; + yychar = YYEMPTY; + if (yyerrflag > 0) --yyerrflag; + goto yyloop; + } + if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yychar) + { + yyn = yytable[yyn]; + goto yyreduce; + } + if (yyerrflag) goto yyinrecovery; + + yyerror("syntax error"); + + goto yyerrlab; + +yyerrlab: + ++yynerrs; + +yyinrecovery: + if (yyerrflag < 3) + { + yyerrflag = 3; + for (;;) + { + if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE) + { +#if YYDEBUG + if (yydebug) + printf("%sdebug: state %d, error recovery shifting\ + to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]); +#endif + if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack)) + { + goto yyoverflow; + } + yystate = yytable[yyn]; + *++yystack.s_mark = yytable[yyn]; + *++yystack.l_mark = yylval; + goto yyloop; + } + else + { +#if YYDEBUG + if (yydebug) + printf("%sdebug: error recovery discarding state %d\n", + YYPREFIX, *yystack.s_mark); +#endif + if (yystack.s_mark <= yystack.s_base) goto yyabort; + --yystack.s_mark; + --yystack.l_mark; + } + } + } + else + { + if (yychar == 0) goto yyabort; +#if YYDEBUG + if (yydebug) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + printf("%sdebug: state %d, error recovery discards token %d (%s)\n", + YYPREFIX, yystate, yychar, yys); + } +#endif + yychar = YYEMPTY; + goto yyloop; + } + +yyreduce: +#if YYDEBUG + if (yydebug) + printf("%sdebug: state %d, reducing by rule %d (%s)\n", + YYPREFIX, yystate, yyn, yyrule[yyn]); +#endif + yym = yylen[yyn]; + if (yym) + yyval = yystack.l_mark[1-yym]; + else + memset(&yyval, 0, sizeof yyval); + switch (yyn) + { +case 1: +#line 43 "zmap.y" + { + yyval.expr = make_op_node(OR); + yyval.expr->left_child = yystack.l_mark[-2].expr; + yyval.expr->right_child = yystack.l_mark[0].expr; + print_expression(yyval.expr); + printf("%s\n", ""); + } +break; +case 2: +#line 51 "zmap.y" + { + yyval.expr = make_op_node(AND); + yyval.expr->left_child = yystack.l_mark[-2].expr; + yyval.expr->right_child = yystack.l_mark[0].expr; + print_expression(yyval.expr); + printf("%s\n", ""); + } +break; +case 3: +#line 59 "zmap.y" + { + yyval.expr = yystack.l_mark[-1].expr; + } +break; +case 4: +#line 63 "zmap.y" + { + yyval.expr = yystack.l_mark[0].expr; + } +break; +case 5: +#line 69 "zmap.y" + { + yyval.expr = yystack.l_mark[0].expr; + } +break; +case 6: +#line 73 "zmap.y" + { + yyval.expr = yystack.l_mark[0].expr; + } +break; +case 7: +#line 79 "zmap.y" + { + printf("number_filter: %s = %d\n", yystack.l_mark[-2].string_literal, yystack.l_mark[0].int_literal); + yyval.expr = make_op_node(EQ); + yyval.expr->left_child = make_field_node(yystack.l_mark[-2].string_literal); + yyval.expr->right_child = make_int_node(yystack.l_mark[0].int_literal); + } +break; +case 8: +#line 87 "zmap.y" + { + printf("number_filter: %s > %d\n", yystack.l_mark[-2].string_literal, yystack.l_mark[0].int_literal); + yyval.expr = make_op_node(GT); + yyval.expr->left_child = make_field_node(yystack.l_mark[-2].string_literal); + yyval.expr->right_child = make_int_node(yystack.l_mark[0].int_literal); + } +break; +case 9: +#line 95 "zmap.y" + { + printf("number_filter: %s < %d\n", yystack.l_mark[-2].string_literal, yystack.l_mark[0].int_literal); + } +break; +case 10: +#line 100 "zmap.y" + { + printf("number_filter: %s != %d\n", yystack.l_mark[-2].string_literal, yystack.l_mark[0].int_literal); + } +break; +case 11: +#line 105 "zmap.y" + { + printf("number_filter: %s >= %d\n", yystack.l_mark[-2].string_literal, yystack.l_mark[0].int_literal); + } +break; +case 12: +#line 110 "zmap.y" + { + printf("number_filter: %s <= %d\n", yystack.l_mark[-2].string_literal, yystack.l_mark[0].int_literal); + } +break; +case 13: +#line 117 "zmap.y" + { + printf("string_filter %s = %s\n", yystack.l_mark[-2].string_literal, yystack.l_mark[0].string_literal); + } +break; +case 14: +#line 122 "zmap.y" + { + printf("string_filter: %s != %s\n", yystack.l_mark[-2].string_literal, yystack.l_mark[0].string_literal); + } +break; +#line 552 "y.tab.c" + } + yystack.s_mark -= yym; + yystate = *yystack.s_mark; + yystack.l_mark -= yym; + yym = yylhs[yyn]; + if (yystate == 0 && yym == 0) + { +#if YYDEBUG + if (yydebug) + printf("%sdebug: after reduction, shifting from state 0 to\ + state %d\n", YYPREFIX, YYFINAL); +#endif + yystate = YYFINAL; + *++yystack.s_mark = YYFINAL; + *++yystack.l_mark = yyval; + if (yychar < 0) + { + if ((yychar = YYLEX) < 0) yychar = 0; +#if YYDEBUG + if (yydebug) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + printf("%sdebug: state %d, reading %d (%s)\n", + YYPREFIX, YYFINAL, yychar, yys); + } +#endif + } + if (yychar == 0) goto yyaccept; + goto yyloop; + } + if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yystate) + yystate = yytable[yyn]; + else + yystate = yydgoto[yym]; +#if YYDEBUG + if (yydebug) + printf("%sdebug: after reduction, shifting from state %d \ +to state %d\n", YYPREFIX, *yystack.s_mark, yystate); +#endif + if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack)) + { + goto yyoverflow; + } + *++yystack.s_mark = (short) yystate; + *++yystack.l_mark = yyval; + goto yyloop; + +yyoverflow: + yyerror("yacc stack overflow"); + +yyabort: + yyfreestack(&yystack); + return (1); + +yyaccept: + yyfreestack(&yystack); + return (0); } - -static void set_cpu(void) -{ - pthread_mutex_lock(&cpu_affinity_mutex); - static int core=0; - int num_cores = sysconf(_SC_NPROCESSORS_ONLN); - cpu_set_t cpuset; - CPU_ZERO(&cpuset); - CPU_SET(core, &cpuset); - if (pthread_setaffinity_np(pthread_self(), - sizeof(cpu_set_t), &cpuset) != 0) { - log_error("zmap", "can't set thread CPU affinity"); - } - log_trace("zmap", "set thread %u affinity to core %d", - pthread_self(), core); - core = (core + 1) % num_cores; - pthread_mutex_unlock(&cpu_affinity_mutex); -} - -static void* start_send(void *arg) -{ - uintptr_t v = (uintptr_t) arg; - int sock = (int) v & 0xFFFF; - set_cpu(); - send_run(sock); - return NULL; -} - -static void* start_recv(__attribute__((unused)) void *arg) -{ - set_cpu(); - recv_run(&recv_ready_mutex); - return NULL; -} - -static void drop_privs() -{ - struct passwd *pw; - if ((pw = getpwnam("nobody")) != NULL) { - if (setuid(pw->pw_uid) == 0) { - return; // success - } - } - log_fatal("zmap", "Couldn't change UID to 'nobody'"); -} - -static void *start_mon(__attribute__((unused)) void *arg) -{ - set_cpu(); - monitor_run(); - return NULL; -} - -#define SI(w,x,y) printf("%s\t%s\t%i\n", w, x, y); -#define SD(w,x,y) printf("%s\t%s\t%f\n", w, x, y); -#define SU(w,x,y) printf("%s\t%s\t%u\n", w, x, y); -#define SLU(w,x,y) printf("%s\t%s\t%lu\n", w, x, (long unsigned int) y); -#define SS(w,x,y) printf("%s\t%s\t%s\n", w, x, y); -#define STRTIME_LEN 1024 - -static void summary(void) -{ - char send_start_time[STRTIME_LEN+1]; - assert(dstrftime(send_start_time, STRTIME_LEN, "%c", zsend.start)); - char send_end_time[STRTIME_LEN+1]; - assert(dstrftime(send_end_time, STRTIME_LEN, "%c", zsend.finish)); - char recv_start_time[STRTIME_LEN+1]; - assert(dstrftime(recv_start_time, STRTIME_LEN, "%c", zrecv.start)); - char recv_end_time[STRTIME_LEN+1]; - assert(dstrftime(recv_end_time, STRTIME_LEN, "%c", zrecv.finish)); - double hitrate = ((double) 100 * zrecv.success_unique)/((double)zsend.sent); - - SU("cnf", "target-port", zconf.target_port); - SU("cnf", "source-port-range-begin", zconf.source_port_first); - SU("cnf", "source-port-range-end", zconf.source_port_last); - SS("cnf", "source-addr-range-begin", zconf.source_ip_first); - SS("cnf", "source-addr-range-end", zconf.source_ip_last); - SU("cnf", "maximum-targets", zconf.max_targets); - SU("cnf", "maximum-runtime", zconf.max_runtime); - SU("cnf", "maximum-results", zconf.max_results); - SU("cnf", "permutation-seed", zconf.seed); - SI("cnf", "cooldown-period", zconf.cooldown_secs); - SS("cnf", "send-interface", zconf.iface); - SI("cnf", "rate", zconf.rate); - SLU("cnf", "bandwidth", zconf.bandwidth); - SU("env", "nprocessors", (unsigned) sysconf(_SC_NPROCESSORS_ONLN)); - SS("exc", "send-start-time", send_start_time); - SS("exc", "send-end-time", send_end_time); - SS("exc", "recv-start-time", recv_start_time); - SS("exc", "recv-end-time", recv_end_time); - SU("exc", "sent", zsend.sent); - SU("exc", "blacklisted", zsend.blacklisted); - SU("exc", "first-scanned", zsend.first_scanned); - SD("exc", "hit-rate", hitrate); - SU("exc", "success-total", zrecv.success_total); - SU("exc", "success-unique", zrecv.success_unique); - SU("exc", "success-cooldown-total", zrecv.cooldown_total); - SU("exc", "success-cooldown-unique", zrecv.cooldown_unique); - SU("exc", "failure-total", zrecv.failure_total); - SU("exc", "sendto-failures", zsend.sendto_failures); - SU("adv", "permutation-gen", zconf.generator); - SS("exc", "scan-type", zconf.probe_module->name); -} - -static void start_zmap(void) -{ - log_info("zmap", "started"); - - // finish setting up configuration - if (zconf.iface == NULL) { - char errbuf[PCAP_ERRBUF_SIZE]; - char *iface = pcap_lookupdev(errbuf); - if (iface == NULL) { - log_fatal("zmap", "could not detect default network interface " - "(e.g. eth0). Try running as root or setting" - " interface using -i flag."); - } - log_debug("zmap", "no interface provided. will use %s", iface); - zconf.iface = iface; - } - if (zconf.source_ip_first == NULL) { - struct in_addr default_ip; - zconf.source_ip_first = malloc(INET_ADDRSTRLEN); - zconf.source_ip_last = zconf.source_ip_first; - if (get_iface_ip(zconf.iface, &default_ip) < 0) { - log_fatal("zmap", "could not detect default IP address for for %s." - " Try specifying a source address (-S).", zconf.iface); - } - inet_ntop(AF_INET, &default_ip, zconf.source_ip_first, INET_ADDRSTRLEN); - log_debug("zmap", "no source IP address given. will use %s", - zconf.source_ip_first); - } - if (!zconf.gw_mac_set) { - struct in_addr gw_ip; - char iface[IF_NAMESIZE]; - if (get_default_gw(&gw_ip, iface) < 0) { - log_fatal("zmap", "could not detect default gateway address for %i." - " Try setting default gateway mac address (-G)."); - } - log_debug("zmap", "found gateway IP %s on %s", inet_ntoa(gw_ip), iface); - if (get_hw_addr(&gw_ip, iface, zconf.gw_mac) < 0) { - log_fatal("zmap", "could not detect GW MAC address for %s on %s." - " Try setting default gateway mac address (-G).", - inet_ntoa(gw_ip), zconf.iface); - } - zconf.gw_mac_set = 1; - log_debug("zmap", "using default gateway MAC %02x:%02x:%02x:%02x:%02x:%02x", - zconf.gw_mac[0], zconf.gw_mac[1], zconf.gw_mac[2], - zconf.gw_mac[3], zconf.gw_mac[4], zconf.gw_mac[5]); - } - - // initialization - if (zconf.output_module && zconf.output_module->init) { - zconf.output_module->init(&zconf, zconf.output_fields, - zconf.output_fields_len); - } - if (send_init()) { - exit(EXIT_FAILURE); - } - if (zconf.output_module && zconf.output_module->start) { - zconf.output_module->start(&zconf, &zsend, &zrecv); - } - // start threads - pthread_t *tsend, trecv, tmon; - int r = pthread_create(&trecv, NULL, start_recv, NULL); - if (r != 0) { - log_fatal("zmap", "unable to create recv thread"); - exit(EXIT_FAILURE); - } - for (;;) { - pthread_mutex_lock(&recv_ready_mutex); - if (zconf.recv_ready) { - break; - } - pthread_mutex_unlock(&recv_ready_mutex); - } - tsend = malloc(zconf.senders * sizeof(pthread_t)); - assert(tsend); - log_debug("zmap", "using %d sender threads", zconf.senders); - for (int i=0; i < zconf.senders; i++) { - uintptr_t sock; - if (zconf.dryrun) { - sock = get_dryrun_socket(); - } else { - sock = get_socket(); - } - - int r = pthread_create(&tsend[i], NULL, start_send, (void*) sock); - if (r != 0) { - log_fatal("zmap", "unable to create send thread"); - exit(EXIT_FAILURE); - } - } - if (!zconf.quiet) { - int r = pthread_create(&tmon, NULL, start_mon, NULL); - if (r != 0) { - log_fatal("zmap", "unable to create monitor thread"); - exit(EXIT_FAILURE); - } - } - - drop_privs(); - - // wait for completion - for (int i=0; i < zconf.senders; i++) { - int r = pthread_join(tsend[i], NULL); - if (r != 0) { - log_fatal("zmap", "unable to join send thread"); - exit(EXIT_FAILURE); - } - } - log_debug("zmap", "senders finished"); - r = pthread_join(trecv, NULL); - if (r != 0) { - log_fatal("zmap", "unable to join recv thread"); - exit(EXIT_FAILURE); - } - if (!zconf.quiet) { - pthread_join(tmon, NULL); - if (r != 0) { - log_fatal("zmap", "unable to join monitor thread"); - exit(EXIT_FAILURE); - } - } - - // finished - if (zconf.summary) { - summary(); - } - if (zconf.output_module && zconf.output_module->close) { - zconf.output_module->close(&zconf, &zsend, &zrecv); - } - if (zconf.probe_module && zconf.probe_module->close) { - zconf.probe_module->close(&zconf, &zsend, &zrecv); - } - log_info("zmap", "completed"); -} - -static void enforce_range(const char *name, int v, int min, int max) -{ - if (v < min || v > max) { - fprintf(stderr, "%s: argument `%s' must be between %d and %d\n", - CMDLINE_PARSER_PACKAGE, name, min, max); - exit(EXIT_FAILURE); - } -} - -static int file_exists(char *name) -{ - FILE *file = fopen(name, "r"); - if (!file) - return 0; - fclose(file); - return 1; -} - -#define MAC_LEN IFHWADDRLEN -int parse_mac(macaddr_t *out, char *in) -{ - if (strlen(in) < MAC_LEN*3-1) - return 0; - char octet[3]; - octet[2] = '\0'; - for (int i=0; i < MAC_LEN; i++) { - if (i < MAC_LEN-1 && in[i*3+2] != ':') { - return 0; - } - strncpy(octet, &in[i*3], 2); - char *err = NULL; - long b = strtol(octet, &err, 16); - if (err && *err != '\0') { - return 0; - } - out[i] = b & 0xFF; - } - return 1; -} - -#define SET_IF_GIVEN(DST,ARG) \ - { if (args.ARG##_given) { (DST) = args.ARG##_arg; }; } -#define SET_BOOL(DST,ARG) \ - { if (args.ARG##_given) { (DST) = 1; }; } - -int main(int argc, char *argv[]) -{ - struct gengetopt_args_info args; - struct cmdline_parser_params *params; - params = cmdline_parser_params_create(); - params->initialize = 1; - params->override = 0; - params->check_required = 0; - - if (cmdline_parser_ext(argc, argv, &args, params) != 0) { - exit(EXIT_SUCCESS); - } - - zconf.log_level = args.verbosity_arg; - log_init(stderr, zconf.log_level); - log_trace("zmap", "zmap main thread started"); - - if (args.help_given) { - cmdline_parser_print_help(); - exit(EXIT_SUCCESS); - } - if (args.version_given) { - cmdline_parser_print_version(); - exit(EXIT_SUCCESS); - } - if (args.list_output_modules_given) { - print_output_modules(); - exit(EXIT_SUCCESS); - } - if (args.list_probe_modules_given) { - print_probe_modules(); - exit(EXIT_SUCCESS); - } - if (args.config_given || file_exists(args.config_arg)) { - params->initialize = 0; - params->override = 0; - if (cmdline_parser_config_file(args.config_arg, &args, params) - != 0) { - exit(EXIT_FAILURE); - } - } - if (args.vpn_given) { - zconf.send_ip_pkts = 1; - zconf.gw_mac_set = 1; - memset(zconf.gw_mac, 0, IFHWADDRLEN); - } - if (cmdline_parser_required(&args, CMDLINE_PARSER_PACKAGE) != 0) { - exit(EXIT_FAILURE); - } - // parse the provided probe and output module s.t. that we can support - // other command-line helpers (e.g. probe help) - if (!args.output_module_given) { - zconf.output_module = get_output_module_by_name("csv"); - zconf.raw_output_fields = (char*) "saddr"; - zconf.filter_duplicates = 1; - zconf.filter_unsuccessful = 1; - } else if (!strcmp(args.output_module_arg, "simple_file")) { - log_warn("zmap", "the simple_file output interface has been deprecated and " - "will be removed in the future. Users should use the csv " - "output module. Newer scan options such as output-fields " - "are not supported with this output module."); - zconf.output_module = get_output_module_by_name("csv"); - zconf.raw_output_fields = (char*) "saddr"; - zconf.filter_duplicates = 1; - zconf.filter_unsuccessful = 1; - } else if (!strcmp(args.output_module_arg, "extended_file")) { - log_warn("zmap", "the extended_file output interface has been deprecated and " - "will be removed in the future. Users should use the csv " - "output module. Newer scan options such as output-fields " - "are not supported with this output module."); - zconf.output_module = get_output_module_by_name("csv"); - zconf.raw_output_fields = (char*) "classification, saddr, " - "daddr, sport, dport, " - "seqnum, acknum, cooldown, " - "repeat, timestamp-str"; - zconf.filter_duplicates = 0; - } else { - zconf.output_module = get_output_module_by_name(args.output_module_arg); - if (!zconf.output_module) { - fprintf(stderr, "%s: specified output module (%s) does not exist\n", - CMDLINE_PARSER_PACKAGE, args.output_module_arg); - exit(EXIT_FAILURE); - } - } - zconf.probe_module = get_probe_module_by_name(args.probe_module_arg); - if (!zconf.probe_module) { - fprintf(stderr, "%s: specified probe module (%s) does not exist\n", - CMDLINE_PARSER_PACKAGE, args.probe_module_arg); - exit(EXIT_FAILURE); - } - - // now that we know the probe module, let's find what it supports - memset(&zconf.fsconf, 0, sizeof(struct fieldset_conf)); - // the set of fields made available to a user is constructed - // of IP header fields + probe module fields + system fields - fielddefset_t *fds = &(zconf.fsconf.defs); - gen_fielddef_set(fds, (fielddef_t*) &(ip_fields), - 4); - gen_fielddef_set(fds, zconf.probe_module->fields, - zconf.probe_module->numfields); - gen_fielddef_set(fds, (fielddef_t*) &(sys_fields), - 5); - if (args.list_output_fields_given) { - for (int i = 0; i < fds->len; i++) { - printf("%-15s %6s: %s\n", fds->fielddefs[i].name, - fds->fielddefs[i].type, - fds->fielddefs[i].desc); - } - exit(EXIT_SUCCESS); - } - // find the fields we need for the framework - zconf.fsconf.success_index = - fds_get_index_by_name(fds, (char*) "success"); - if (zconf.fsconf.success_index < 0) { - log_fatal("fieldset", "probe module does not supply " - "required success field."); - } - zconf.fsconf.classification_index = - fds_get_index_by_name(fds, (char*) "classification"); - if (zconf.fsconf.classification_index < 0) { - log_fatal("fieldset", "probe module does not supply " - "required packet classification field."); - } - // process the list of requested output fields. - if (args.output_fields_given) { - zconf.raw_output_fields = args.output_fields_arg; - } else if (!zconf.raw_output_fields) { - zconf.raw_output_fields = (char*) "saddr"; - } - split_string(zconf.raw_output_fields, &(zconf.output_fields_len), - &(zconf.output_fields)); - for (int i=0; i < zconf.output_fields_len; i++) { - log_debug("zmap", "requested output field (%i): %s", - i, - zconf.output_fields[i]); - } - // generate a translation that can be used to convert output - // from a probe module to the input for an output module - fs_generate_fieldset_translation(&zconf.fsconf.translation, - &zconf.fsconf.defs, zconf.output_fields, - zconf.output_fields_len); - - SET_BOOL(zconf.dryrun, dryrun); - SET_BOOL(zconf.quiet, quiet); - SET_BOOL(zconf.summary, summary); - zconf.cooldown_secs = args.cooldown_time_arg; - zconf.senders = args.sender_threads_arg; - SET_IF_GIVEN(zconf.output_filename, output_file); - SET_IF_GIVEN(zconf.blacklist_filename, blacklist_file); - SET_IF_GIVEN(zconf.whitelist_filename, whitelist_file); - SET_IF_GIVEN(zconf.probe_args, probe_args); - SET_IF_GIVEN(zconf.output_args, output_args); - SET_IF_GIVEN(zconf.iface, interface); - SET_IF_GIVEN(zconf.max_runtime, max_runtime); - SET_IF_GIVEN(zconf.max_results, max_results); - SET_IF_GIVEN(zconf.rate, rate); - SET_IF_GIVEN(zconf.packet_streams, probes); - - - if (zconf.probe_module->port_args) { - if (args.source_port_given) { - char *dash = strchr(args.source_port_arg, '-'); - if (dash) { // range - *dash = '\0'; - zconf.source_port_first = atoi(args.source_port_arg); - enforce_range("starting source-port", zconf.source_port_first, 0, 0xFFFF); - zconf.source_port_last = atoi(dash+1); - enforce_range("ending source-port", zconf.source_port_last, 0, 0xFFFF); - if (zconf.source_port_first > zconf.source_port_last) { - fprintf(stderr, "%s: invalid source port range: " - "last port is less than first port\n", - CMDLINE_PARSER_PACKAGE); - exit(EXIT_FAILURE); - } - } else { // single port - int port = atoi(args.source_port_arg); - enforce_range("source-port", port, 0, 0xFFFF); - zconf.source_port_first = port; - zconf.source_port_last = port; - } - } - if (!args.target_port_given) { - fprintf(stderr, "%s: target port is required for this type of probe\n", - CMDLINE_PARSER_PACKAGE); - exit(EXIT_FAILURE); - } - enforce_range("target-port", args.target_port_arg, 0, 0xFFFF); - zconf.target_port = args.target_port_arg; - } - if (args.source_ip_given) { - char *dash = strchr(args.source_ip_arg, '-'); - if (dash) { // range - *dash = '\0'; - zconf.source_ip_first = args.source_ip_arg; - zconf.source_ip_last = dash+1; - } else { // single address - zconf.source_ip_first = args.source_ip_arg; - zconf.source_ip_last = args.source_ip_arg; - } - } - if (args.gateway_mac_given) { - if (!parse_mac(zconf.gw_mac, args.gateway_mac_arg)) { - fprintf(stderr, "%s: invalid MAC address `%s'\n", - CMDLINE_PARSER_PACKAGE, args.gateway_mac_arg); - exit(EXIT_FAILURE); - } - zconf.gw_mac_set = 1; - } - if (args.seed_given) { - zconf.seed = args.seed_arg; - zconf.use_seed = 1; - } - if (args.bandwidth_given) { - // Supported: G,g=*1000000000; M,m=*1000000 K,k=*1000 bits per second - zconf.bandwidth = atoi(args.bandwidth_arg); - char *suffix = args.bandwidth_arg; - while (*suffix >= '0' && *suffix <= '9') { - suffix++; - } - if (*suffix) { - switch (*suffix) { - case 'G': case 'g': - zconf.bandwidth *= 1000000000; - break; - case 'M': case 'm': - zconf.bandwidth *= 1000000; - break; - case 'K': case 'k': - zconf.bandwidth *= 1000; - break; - default: - fprintf(stderr, "%s: unknown bandwidth suffix '%s' " - "(supported suffixes are G, M and K)\n", - CMDLINE_PARSER_PACKAGE, suffix); - exit(EXIT_FAILURE); - } - } - } - if (args.max_targets_given) { - errno = 0; - char *end; - double v = strtod(args.max_targets_arg, &end); - if (end == args.max_targets_arg || errno != 0) { - fprintf(stderr, "%s: can't convert max-targets to a number\n", - CMDLINE_PARSER_PACKAGE); - exit(EXIT_FAILURE); - } - if (end[0] == '%' && end[1] == '\0') { - // treat as percentage - v = v * ((unsigned long long int)1 << 32) / 100.; - } else if (end[0] != '\0') { - fprintf(stderr, "%s: extra characters after max-targets\n", - CMDLINE_PARSER_PACKAGE); - exit(EXIT_FAILURE); - } - if (v <= 0) { - zconf.max_targets = 0; - } - else if (v >= ((unsigned long long int)1 << 32)) { - zconf.max_targets = 0xFFFFFFFF; - } else { - zconf.max_targets = v; - } - } - - start_zmap(); - - cmdline_parser_free(&args); - free(params); - return EXIT_SUCCESS; -} - diff --git a/filter_sandbox/zmap.l b/src/zmap.l similarity index 96% rename from filter_sandbox/zmap.l rename to src/zmap.l index 4de7dff..dbae5d0 100644 --- a/filter_sandbox/zmap.l +++ b/src/zmap.l @@ -1,6 +1,6 @@ %{ #include -#include "y.tab.h" +#include "zmap.tab.h" %} %% diff --git a/filter_sandbox/zmap.y b/src/zmap.y similarity index 97% rename from filter_sandbox/zmap.y rename to src/zmap.y index fe196a1..63bb6be 100644 --- a/filter_sandbox/zmap.y +++ b/src/zmap.y @@ -1,7 +1,7 @@ %{ #include #include -#include "tree.h" +#include "expression.h" void yyerror(const char *str) { @@ -12,12 +12,7 @@ void yyerror(const char *str) int yywrap() { return 1; -} - -int main() -{ - yyparse(); -} +} %}