/* A lexical scanner generated by flex */ /* Scanner skeleton version: * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern Exp $ */ #define FLEX_SCANNER #define YY_FLEX_MAJOR_VERSION 2 #define YY_FLEX_MINOR_VERSION 5 #include /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ #ifdef c_plusplus #ifndef __cplusplus #define __cplusplus #endif #endif #ifdef __cplusplus #include #include /* Use prototypes in function declarations. */ #define YY_USE_PROTOS /* The "const" storage-class-modifier is valid. */ #define YY_USE_CONST #else /* ! __cplusplus */ #if __STDC__ #define YY_USE_PROTOS #define YY_USE_CONST #endif /* __STDC__ */ #endif /* ! __cplusplus */ #ifdef __TURBOC__ #pragma warn -rch #pragma warn -use #include #include #define YY_USE_CONST #define YY_USE_PROTOS #endif #ifdef YY_USE_CONST #define GUC_yyconst const #else #define GUC_yyconst #endif #ifdef YY_USE_PROTOS #define YY_PROTO(proto) proto #else #define YY_PROTO(proto) () #endif /* Returned upon end-of-file. */ #define YY_NULL 0 /* 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 GUC_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 ((GUC_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 GUC_yyrestart( GUC_yyin ) #define YY_END_OF_BUFFER_CHAR 0 /* Size of default input buffer. */ #define YY_BUF_SIZE 16384 typedef struct GUC_yy_buffer_state *YY_BUFFER_STATE; extern int GUC_yyleng; extern FILE *GUC_yyin, *GUC_yyout; #define EOB_ACT_CONTINUE_SCAN 0 #define EOB_ACT_END_OF_FILE 1 #define EOB_ACT_LAST_MATCH 2 /* The funky do-while in the following #define is used to turn the definition * int a single C statement (which needs a semi-colon terminator). This * avoids problems with code like: * * if ( condition_holds ) * GUC_yyless( 5 ); * else * do_something_else(); * * Prior to using the do-while the compiler would get upset at the * "else" because it interpreted the "if" statement as being all * done when it reached the ';' after the GUC_yyless() call. */ /* Return all but the first 'n' matched characters back to the input stream. */ #define GUC_yyless(n) \ do \ { \ /* Undo effects of setting up GUC_yytext. */ \ *GUC_yy_cp = GUC_yy_hold_char; \ YY_RESTORE_YY_MORE_OFFSET \ GUC_yy_c_buf_p = GUC_yy_cp = GUC_yy_bp + n - YY_MORE_ADJ; \ YY_DO_BEFORE_ACTION; /* set up GUC_yytext again */ \ } \ while ( 0 ) #define unput(c) GUC_yyunput( c, GUC_yytext_ptr ) /* The following is because we cannot portably get our hands on size_t * (without autoconf's help, which isn't available because we want * flex-generated scanners to compile on their own). */ typedef unsigned int GUC_yy_size_t; struct GUC_yy_buffer_state { FILE *GUC_yy_input_file; char *GUC_yy_ch_buf; /* input buffer */ char *GUC_yy_buf_pos; /* current position in input buffer */ /* Size of input buffer in bytes, not including room for EOB * characters. */ GUC_yy_size_t GUC_yy_buf_size; /* Number of characters read into GUC_yy_ch_buf, not including EOB * characters. */ int GUC_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 GUC_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 GUC_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 GUC_yy_at_bol; /* Whether to try to fill the input buffer when we reach the * end of it. */ int GUC_yy_fill_buffer; int GUC_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 GUC_yyrestart()), so that the user can continue scanning by * just pointing GUC_yyin at a new input file. */ #define YY_BUFFER_EOF_PENDING 2 }; static YY_BUFFER_STATE GUC_yy_current_buffer = 0; /* We provide macros for accessing buffer states in case in the * future we want to put the buffer states in a more general * "scanner state". */ #define YY_CURRENT_BUFFER GUC_yy_current_buffer /* GUC_yy_hold_char holds the character lost when GUC_yytext is formed. */ static char GUC_yy_hold_char; static int GUC_yy_n_chars; /* number of characters read into GUC_yy_ch_buf */ int GUC_yyleng; /* Points to current character in buffer. */ static char *GUC_yy_c_buf_p = (char *) 0; static int GUC_yy_init = 1; /* whether we need to initialize */ static int GUC_yy_start = 0; /* start state number */ /* Flag which is used to allow GUC_yywrap()'s to do buffer switches * instead of setting up a fresh GUC_yyin. A bit of a hack ... */ static int GUC_yy_did_buffer_switch_on_eof; void GUC_yyrestart YY_PROTO(( FILE *input_file )); void GUC_yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer )); void GUC_yy_load_buffer_state YY_PROTO(( void )); YY_BUFFER_STATE GUC_yy_create_buffer YY_PROTO(( FILE *file, int size )); void GUC_yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b )); void GUC_yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file )); void GUC_yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b )); #define YY_FLUSH_BUFFER GUC_yy_flush_buffer( GUC_yy_current_buffer ) YY_BUFFER_STATE GUC_yy_scan_buffer YY_PROTO(( char *base, GUC_yy_size_t size )); YY_BUFFER_STATE GUC_yy_scan_string YY_PROTO(( GUC_yyconst char *GUC_yy_str )); YY_BUFFER_STATE GUC_yy_scan_bytes YY_PROTO(( GUC_yyconst char *bytes, int len )); static void *GUC_yy_flex_alloc YY_PROTO(( GUC_yy_size_t )); static void *GUC_yy_flex_realloc YY_PROTO(( void *, GUC_yy_size_t )); static void GUC_yy_flex_free YY_PROTO(( void * )); #define GUC_yy_new_buffer GUC_yy_create_buffer #define GUC_yy_set_interactive(is_interactive) \ { \ if ( ! GUC_yy_current_buffer ) \ GUC_yy_current_buffer = GUC_yy_create_buffer( GUC_yyin, YY_BUF_SIZE ); \ GUC_yy_current_buffer->GUC_yy_is_interactive = is_interactive; \ } #define GUC_yy_set_bol(at_bol) \ { \ if ( ! GUC_yy_current_buffer ) \ GUC_yy_current_buffer = GUC_yy_create_buffer( GUC_yyin, YY_BUF_SIZE ); \ GUC_yy_current_buffer->GUC_yy_at_bol = at_bol; \ } #define YY_AT_BOL() (GUC_yy_current_buffer->GUC_yy_at_bol) #define GUC_yywrap() 1 #define YY_SKIP_YYWRAP typedef unsigned char YY_CHAR; FILE *GUC_yyin = (FILE *) 0, *GUC_yyout = (FILE *) 0; typedef int GUC_yy_state_type; extern char *GUC_yytext; #define GUC_yytext_ptr GUC_yytext static GUC_yy_state_type GUC_yy_get_previous_state YY_PROTO(( void )); static GUC_yy_state_type GUC_yy_try_NUL_trans YY_PROTO(( GUC_yy_state_type current_state )); static int GUC_yy_get_next_buffer YY_PROTO(( void )); static void GUC_yy_fatal_error YY_PROTO(( GUC_yyconst char msg[] )); /* Done after the current pattern has been matched and before the * corresponding action - sets up GUC_yytext. */ #define YY_DO_BEFORE_ACTION \ GUC_yytext_ptr = GUC_yy_bp; \ GUC_yyleng = (int) (GUC_yy_cp - GUC_yy_bp); \ GUC_yy_hold_char = *GUC_yy_cp; \ *GUC_yy_cp = '\0'; \ GUC_yy_c_buf_p = GUC_yy_cp; #define YY_NUM_RULES 11 #define YY_END_OF_BUFFER 12 static GUC_yyconst short int GUC_yy_accept[38] = { 0, 0, 0, 12, 10, 2, 1, 10, 10, 10, 8, 7, 7, 9, 4, 2, 0, 3, 0, 5, 0, 8, 7, 7, 8, 0, 0, 6, 4, 4, 0, 5, 0, 0, 8, 7, 6, 0 } ; static GUC_yyconst int GUC_yy_ec[256] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 4, 1, 1, 1, 5, 1, 1, 1, 6, 1, 7, 8, 9, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 1, 1, 12, 1, 1, 1, 13, 13, 13, 13, 14, 13, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 16, 1, 1, 17, 1, 13, 13, 13, 13, 14, 13, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 18, 15, 15, 1, 1, 1, 1, 1, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15 } ; static GUC_yyconst int GUC_yy_meta[19] = { 0, 1, 1, 2, 1, 1, 1, 3, 3, 3, 4, 4, 1, 5, 4, 3, 1, 3, 3 } ; static GUC_yyconst short int GUC_yy_base[45] = { 0, 0, 0, 61, 86, 58, 86, 55, 14, 23, 43, 10, 46, 86, 28, 47, 40, 86, 16, 86, 22, 28, 0, 0, 0, 40, 0, 24, 45, 0, 24, 39, 43, 12, 14, 0, 22, 86, 62, 67, 22, 70, 75, 77, 80 } ; static GUC_yyconst short int GUC_yy_def[45] = { 0, 37, 1, 37, 37, 37, 37, 38, 39, 37, 40, 9, 9, 37, 41, 37, 38, 37, 39, 37, 42, 40, 11, 12, 21, 37, 43, 44, 41, 28, 39, 39, 42, 37, 37, 43, 44, 0, 37, 37, 37, 37, 37, 37, 37 } ; static GUC_yyconst short int GUC_yy_nxt[105] = { 0, 4, 5, 6, 7, 8, 9, 9, 10, 4, 11, 12, 13, 14, 14, 14, 4, 14, 14, 19, 23, 19, 34, 34, 34, 34, 24, 31, 26, 19, 20, 21, 20, 22, 23, 27, 27, 27, 32, 36, 20, 36, 25, 17, 19, 29, 33, 33, 31, 15, 34, 34, 27, 27, 27, 20, 23, 25, 17, 32, 15, 37, 29, 16, 16, 16, 16, 16, 18, 37, 18, 18, 18, 28, 28, 28, 30, 37, 30, 30, 30, 35, 35, 27, 27, 27, 3, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37 } ; static GUC_yyconst short int GUC_yy_chk[105] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 11, 18, 33, 33, 34, 34, 40, 20, 11, 30, 8, 9, 18, 9, 9, 14, 14, 14, 20, 36, 30, 27, 21, 16, 31, 14, 25, 25, 32, 15, 25, 25, 28, 28, 28, 31, 12, 10, 7, 32, 5, 3, 28, 38, 38, 38, 38, 38, 39, 0, 39, 39, 39, 41, 41, 41, 42, 0, 42, 42, 42, 43, 43, 44, 44, 44, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37 } ; static GUC_yy_state_type GUC_yy_last_accepting_state; static char *GUC_yy_last_accepting_cpos; /* The intent behind this definition is that it'll catch * any uses of REJECT which flex missed. */ #define REJECT reject_used_but_not_detected #define GUC_yymore() GUC_yymore_used_but_not_detected #define YY_MORE_ADJ 0 #define YY_RESTORE_YY_MORE_OFFSET char *GUC_yytext; #line 1 "guc-file.l" #define INITIAL 0 /* -*-pgsql-c-*- */ /* * Scanner for the configuration file * * Copyright 2000 by PostgreSQL Global Development Group * * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc-file.l,v 1.13 2002/07/30 16:33:08 tgl Exp $ */ #line 11 "guc-file.l" #include "postgres.h" #include #include #include #include #include #include #include "miscadmin.h" #include "storage/fd.h" #include "utils/elog.h" #include "utils/guc.h" #define CONFIG_FILENAME "postgresql.conf" static unsigned ConfigFileLineno; enum { GUC_ID = 1, GUC_STRING = 2, GUC_INTEGER = 3, GUC_REAL = 4, GUC_EQUALS = 5, GUC_UNQUOTED_STRING = 6, GUC_EOL = 99, GUC_ERROR = 100 }; #define YY_USER_INIT (ConfigFileLineno = 1) /* prototype, so compiler is happy with our high warnings setting */ int GUC_yylex(void); char *GUC_scanstr(char *); #define YY_NEVER_INTERACTIVE 1 #define YY_NO_UNPUT 1 #line 446 "lex.GUC_yy.c" /* Macros after this point can all be overridden by user definitions in * section 1. */ #ifndef YY_SKIP_YYWRAP #ifdef __cplusplus extern "C" int GUC_yywrap YY_PROTO(( void )); #else extern int GUC_yywrap YY_PROTO(( void )); #endif #endif #ifndef YY_NO_UNPUT static void GUC_yyunput YY_PROTO(( int c, char *buf_ptr )); #endif #ifndef GUC_yytext_ptr static void GUC_yy_flex_strncpy YY_PROTO(( char *, GUC_yyconst char *, int )); #endif #ifdef YY_NEED_STRLEN static int GUC_yy_flex_strlen YY_PROTO(( GUC_yyconst char * )); #endif #ifndef YY_NO_INPUT #ifdef __cplusplus static int GUC_yyinput YY_PROTO(( void )); #else static int input YY_PROTO(( void )); #endif #endif #if YY_STACK_USED static int GUC_yy_start_stack_ptr = 0; static int GUC_yy_start_stack_depth = 0; static int *GUC_yy_start_stack = 0; #ifndef YY_NO_PUSH_STATE static void GUC_yy_push_state YY_PROTO(( int new_state )); #endif #ifndef YY_NO_POP_STATE static void GUC_yy_pop_state YY_PROTO(( void )); #endif #ifndef YY_NO_TOP_STATE static int GUC_yy_top_state YY_PROTO(( void )); #endif #else #define YY_NO_PUSH_STATE 1 #define YY_NO_POP_STATE 1 #define YY_NO_TOP_STATE 1 #endif #ifdef YY_MALLOC_DECL YY_MALLOC_DECL #else #if __STDC__ #ifndef __cplusplus #include #endif #else /* Just try to get by without declaring the routines. This will fail * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int) * or sizeof(void*) != sizeof(int). */ #endif #endif /* Amount of stuff to slurp up with each read. */ #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 (void) fwrite( GUC_yytext, GUC_yyleng, 1, GUC_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 ( GUC_yy_current_buffer->GUC_yy_is_interactive ) \ { \ int c = '*', n; \ for ( n = 0; n < max_size && \ (c = getc( GUC_yyin )) != EOF && c != '\n'; ++n ) \ buf[n] = (char) c; \ if ( c == '\n' ) \ buf[n++] = (char) c; \ if ( c == EOF && ferror( GUC_yyin ) ) \ YY_FATAL_ERROR( "input in flex scanner failed" ); \ result = n; \ } \ else if ( ((result = fread( buf, 1, max_size, GUC_yyin )) == 0) \ && ferror( GUC_yyin ) ) \ YY_FATAL_ERROR( "input in flex scanner failed" ); #endif /* No semi-colon after return; correct usage is to write "GUC_yyterminate();" - * we don't want an extra ';' after the "return" because that will cause * some compilers to complain about unreachable statements. */ #ifndef GUC_yyterminate #define GUC_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) GUC_yy_fatal_error( msg ) #endif /* Default declaration of generated scanner - a define so the user can * easily add parameters. */ #ifndef YY_DECL #define YY_DECL int GUC_yylex YY_PROTO(( void )) #endif /* Code executed at the beginning of each rule, after GUC_yytext and GUC_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 YY_DECL { register GUC_yy_state_type GUC_yy_current_state; register char *GUC_yy_cp, *GUC_yy_bp; register int GUC_yy_act; #line 71 "guc-file.l" #line 600 "lex.GUC_yy.c" if ( GUC_yy_init ) { GUC_yy_init = 0; #ifdef YY_USER_INIT YY_USER_INIT; #endif if ( ! GUC_yy_start ) GUC_yy_start = 1; /* first start state */ if ( ! GUC_yyin ) GUC_yyin = stdin; if ( ! GUC_yyout ) GUC_yyout = stdout; if ( ! GUC_yy_current_buffer ) GUC_yy_current_buffer = GUC_yy_create_buffer( GUC_yyin, YY_BUF_SIZE ); GUC_yy_load_buffer_state(); } while ( 1 ) /* loops until end-of-file is reached */ { GUC_yy_cp = GUC_yy_c_buf_p; /* Support of GUC_yytext. */ *GUC_yy_cp = GUC_yy_hold_char; /* GUC_yy_bp points to the position in GUC_yy_ch_buf of the start of * the current run. */ GUC_yy_bp = GUC_yy_cp; GUC_yy_current_state = GUC_yy_start; GUC_yy_match: do { register YY_CHAR GUC_yy_c = GUC_yy_ec[YY_SC_TO_UI(*GUC_yy_cp)]; if ( GUC_yy_accept[GUC_yy_current_state] ) { GUC_yy_last_accepting_state = GUC_yy_current_state; GUC_yy_last_accepting_cpos = GUC_yy_cp; } while ( GUC_yy_chk[GUC_yy_base[GUC_yy_current_state] + GUC_yy_c] != GUC_yy_current_state ) { GUC_yy_current_state = (int) GUC_yy_def[GUC_yy_current_state]; if ( GUC_yy_current_state >= 38 ) GUC_yy_c = GUC_yy_meta[(unsigned int) GUC_yy_c]; } GUC_yy_current_state = GUC_yy_nxt[GUC_yy_base[GUC_yy_current_state] + (unsigned int) GUC_yy_c]; ++GUC_yy_cp; } while ( GUC_yy_base[GUC_yy_current_state] != 86 ); GUC_yy_find_action: GUC_yy_act = GUC_yy_accept[GUC_yy_current_state]; if ( GUC_yy_act == 0 ) { /* have to back up */ GUC_yy_cp = GUC_yy_last_accepting_cpos; GUC_yy_current_state = GUC_yy_last_accepting_state; GUC_yy_act = GUC_yy_accept[GUC_yy_current_state]; } YY_DO_BEFORE_ACTION; do_action: /* This label is used only to access EOF actions. */ switch ( GUC_yy_act ) { /* beginning of action switch */ case 0: /* must back up */ /* undo the effects of YY_DO_BEFORE_ACTION */ *GUC_yy_cp = GUC_yy_hold_char; GUC_yy_cp = GUC_yy_last_accepting_cpos; GUC_yy_current_state = GUC_yy_last_accepting_state; goto GUC_yy_find_action; case 1: YY_RULE_SETUP #line 73 "guc-file.l" ConfigFileLineno++; return GUC_EOL; YY_BREAK case 2: YY_RULE_SETUP #line 74 "guc-file.l" /* eat whitespace */ YY_BREAK case 3: *GUC_yy_cp = GUC_yy_hold_char; /* undo effects of setting up GUC_yytext */ GUC_yy_c_buf_p = GUC_yy_cp -= 1; YY_DO_BEFORE_ACTION; /* set up GUC_yytext again */ YY_RULE_SETUP #line 75 "guc-file.l" /* eat comment */ YY_BREAK case 4: YY_RULE_SETUP #line 77 "guc-file.l" return GUC_ID; YY_BREAK case 5: YY_RULE_SETUP #line 78 "guc-file.l" return GUC_STRING; YY_BREAK case 6: YY_RULE_SETUP #line 79 "guc-file.l" return GUC_UNQUOTED_STRING; YY_BREAK case 7: YY_RULE_SETUP #line 80 "guc-file.l" return GUC_INTEGER; YY_BREAK case 8: YY_RULE_SETUP #line 81 "guc-file.l" return GUC_REAL; YY_BREAK case 9: YY_RULE_SETUP #line 82 "guc-file.l" return GUC_EQUALS; YY_BREAK case 10: YY_RULE_SETUP #line 84 "guc-file.l" return GUC_ERROR; YY_BREAK case 11: YY_RULE_SETUP #line 86 "guc-file.l" ECHO; YY_BREAK #line 741 "lex.GUC_yy.c" case YY_STATE_EOF(INITIAL): GUC_yyterminate(); case YY_END_OF_BUFFER: { /* Amount of text matched not including the EOB char. */ int GUC_yy_amount_of_matched_text = (int) (GUC_yy_cp - GUC_yytext_ptr) - 1; /* Undo the effects of YY_DO_BEFORE_ACTION. */ *GUC_yy_cp = GUC_yy_hold_char; YY_RESTORE_YY_MORE_OFFSET if ( GUC_yy_current_buffer->GUC_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 GUC_yyin at a new source and called * GUC_yylex(). If so, then we have to assure * consistency between GUC_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. */ GUC_yy_n_chars = GUC_yy_current_buffer->GUC_yy_n_chars; GUC_yy_current_buffer->GUC_yy_input_file = GUC_yyin; GUC_yy_current_buffer->GUC_yy_buffer_status = YY_BUFFER_NORMAL; } /* Note that here we test for GUC_yy_c_buf_p "<=" to the position * of the first EOB in the buffer, since GUC_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 ( GUC_yy_c_buf_p <= &GUC_yy_current_buffer->GUC_yy_ch_buf[GUC_yy_n_chars] ) { /* This was really a NUL. */ GUC_yy_state_type GUC_yy_next_state; GUC_yy_c_buf_p = GUC_yytext_ptr + GUC_yy_amount_of_matched_text; GUC_yy_current_state = GUC_yy_get_previous_state(); /* Okay, we're now positioned to make the NUL * transition. We couldn't have * GUC_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). */ GUC_yy_next_state = GUC_yy_try_NUL_trans( GUC_yy_current_state ); GUC_yy_bp = GUC_yytext_ptr + YY_MORE_ADJ; if ( GUC_yy_next_state ) { /* Consume the NUL. */ GUC_yy_cp = ++GUC_yy_c_buf_p; GUC_yy_current_state = GUC_yy_next_state; goto GUC_yy_match; } else { GUC_yy_cp = GUC_yy_c_buf_p; goto GUC_yy_find_action; } } else switch ( GUC_yy_get_next_buffer() ) { case EOB_ACT_END_OF_FILE: { GUC_yy_did_buffer_switch_on_eof = 0; if ( GUC_yywrap() ) { /* Note: because we've taken care in * GUC_yy_get_next_buffer() to have set up * GUC_yytext, we can now set up * GUC_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. */ GUC_yy_c_buf_p = GUC_yytext_ptr + YY_MORE_ADJ; GUC_yy_act = YY_STATE_EOF(YY_START); goto do_action; } else { if ( ! GUC_yy_did_buffer_switch_on_eof ) YY_NEW_FILE; } break; } case EOB_ACT_CONTINUE_SCAN: GUC_yy_c_buf_p = GUC_yytext_ptr + GUC_yy_amount_of_matched_text; GUC_yy_current_state = GUC_yy_get_previous_state(); GUC_yy_cp = GUC_yy_c_buf_p; GUC_yy_bp = GUC_yytext_ptr + YY_MORE_ADJ; goto GUC_yy_match; case EOB_ACT_LAST_MATCH: GUC_yy_c_buf_p = &GUC_yy_current_buffer->GUC_yy_ch_buf[GUC_yy_n_chars]; GUC_yy_current_state = GUC_yy_get_previous_state(); GUC_yy_cp = GUC_yy_c_buf_p; GUC_yy_bp = GUC_yytext_ptr + YY_MORE_ADJ; goto GUC_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 GUC_yylex */ /* GUC_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 GUC_yy_get_next_buffer() { register char *dest = GUC_yy_current_buffer->GUC_yy_ch_buf; register char *source = GUC_yytext_ptr; register int number_to_move, i; int ret_val; if ( GUC_yy_c_buf_p > &GUC_yy_current_buffer->GUC_yy_ch_buf[GUC_yy_n_chars + 1] ) YY_FATAL_ERROR( "fatal flex scanner internal error--end of buffer missed" ); if ( GUC_yy_current_buffer->GUC_yy_fill_buffer == 0 ) { /* Don't try to fill the buffer, so this is an EOF. */ if ( GUC_yy_c_buf_p - GUC_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) (GUC_yy_c_buf_p - GUC_yytext_ptr) - 1; for ( i = 0; i < number_to_move; ++i ) *(dest++) = *(source++); if ( GUC_yy_current_buffer->GUC_yy_buffer_status == YY_BUFFER_EOF_PENDING ) /* don't do the read, it's not guaranteed to return an EOF, * just force an EOF */ GUC_yy_current_buffer->GUC_yy_n_chars = GUC_yy_n_chars = 0; else { int num_to_read = GUC_yy_current_buffer->GUC_yy_buf_size - number_to_move - 1; while ( num_to_read <= 0 ) { /* Not enough room in the buffer - grow it. */ #ifdef YY_USES_REJECT YY_FATAL_ERROR( "input buffer overflow, can't enlarge buffer because scanner uses REJECT" ); #else /* just a shorter name for the current buffer */ YY_BUFFER_STATE b = GUC_yy_current_buffer; int GUC_yy_c_buf_p_offset = (int) (GUC_yy_c_buf_p - b->GUC_yy_ch_buf); if ( b->GUC_yy_is_our_buffer ) { int new_size = b->GUC_yy_buf_size * 2; if ( new_size <= 0 ) b->GUC_yy_buf_size += b->GUC_yy_buf_size / 8; else b->GUC_yy_buf_size *= 2; b->GUC_yy_ch_buf = (char *) /* Include room in for 2 EOB chars. */ GUC_yy_flex_realloc( (void *) b->GUC_yy_ch_buf, b->GUC_yy_buf_size + 2 ); } else /* Can't grow it, we don't own it. */ b->GUC_yy_ch_buf = 0; if ( ! b->GUC_yy_ch_buf ) YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" ); GUC_yy_c_buf_p = &b->GUC_yy_ch_buf[GUC_yy_c_buf_p_offset]; num_to_read = GUC_yy_current_buffer->GUC_yy_buf_size - number_to_move - 1; #endif } if ( num_to_read > YY_READ_BUF_SIZE ) num_to_read = YY_READ_BUF_SIZE; /* Read in more data. */ YY_INPUT( (&GUC_yy_current_buffer->GUC_yy_ch_buf[number_to_move]), GUC_yy_n_chars, num_to_read ); GUC_yy_current_buffer->GUC_yy_n_chars = GUC_yy_n_chars; } if ( GUC_yy_n_chars == 0 ) { if ( number_to_move == YY_MORE_ADJ ) { ret_val = EOB_ACT_END_OF_FILE; GUC_yyrestart( GUC_yyin ); } else { ret_val = EOB_ACT_LAST_MATCH; GUC_yy_current_buffer->GUC_yy_buffer_status = YY_BUFFER_EOF_PENDING; } } else ret_val = EOB_ACT_CONTINUE_SCAN; GUC_yy_n_chars += number_to_move; GUC_yy_current_buffer->GUC_yy_ch_buf[GUC_yy_n_chars] = YY_END_OF_BUFFER_CHAR; GUC_yy_current_buffer->GUC_yy_ch_buf[GUC_yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; GUC_yytext_ptr = &GUC_yy_current_buffer->GUC_yy_ch_buf[0]; return ret_val; } /* GUC_yy_get_previous_state - get the state just before the EOB char was reached */ static GUC_yy_state_type GUC_yy_get_previous_state() { register GUC_yy_state_type GUC_yy_current_state; register char *GUC_yy_cp; GUC_yy_current_state = GUC_yy_start; for ( GUC_yy_cp = GUC_yytext_ptr + YY_MORE_ADJ; GUC_yy_cp < GUC_yy_c_buf_p; ++GUC_yy_cp ) { register YY_CHAR GUC_yy_c = (*GUC_yy_cp ? GUC_yy_ec[YY_SC_TO_UI(*GUC_yy_cp)] : 1); if ( GUC_yy_accept[GUC_yy_current_state] ) { GUC_yy_last_accepting_state = GUC_yy_current_state; GUC_yy_last_accepting_cpos = GUC_yy_cp; } while ( GUC_yy_chk[GUC_yy_base[GUC_yy_current_state] + GUC_yy_c] != GUC_yy_current_state ) { GUC_yy_current_state = (int) GUC_yy_def[GUC_yy_current_state]; if ( GUC_yy_current_state >= 38 ) GUC_yy_c = GUC_yy_meta[(unsigned int) GUC_yy_c]; } GUC_yy_current_state = GUC_yy_nxt[GUC_yy_base[GUC_yy_current_state] + (unsigned int) GUC_yy_c]; } return GUC_yy_current_state; } /* GUC_yy_try_NUL_trans - try to make a transition on the NUL character * * synopsis * next_state = GUC_yy_try_NUL_trans( current_state ); */ #ifdef YY_USE_PROTOS static GUC_yy_state_type GUC_yy_try_NUL_trans( GUC_yy_state_type GUC_yy_current_state ) #else static GUC_yy_state_type GUC_yy_try_NUL_trans( GUC_yy_current_state ) GUC_yy_state_type GUC_yy_current_state; #endif { register int GUC_yy_is_jam; register char *GUC_yy_cp = GUC_yy_c_buf_p; register YY_CHAR GUC_yy_c = 1; if ( GUC_yy_accept[GUC_yy_current_state] ) { GUC_yy_last_accepting_state = GUC_yy_current_state; GUC_yy_last_accepting_cpos = GUC_yy_cp; } while ( GUC_yy_chk[GUC_yy_base[GUC_yy_current_state] + GUC_yy_c] != GUC_yy_current_state ) { GUC_yy_current_state = (int) GUC_yy_def[GUC_yy_current_state]; if ( GUC_yy_current_state >= 38 ) GUC_yy_c = GUC_yy_meta[(unsigned int) GUC_yy_c]; } GUC_yy_current_state = GUC_yy_nxt[GUC_yy_base[GUC_yy_current_state] + (unsigned int) GUC_yy_c]; GUC_yy_is_jam = (GUC_yy_current_state == 37); return GUC_yy_is_jam ? 0 : GUC_yy_current_state; } #ifndef YY_NO_UNPUT #ifdef YY_USE_PROTOS static void GUC_yyunput( int c, register char *GUC_yy_bp ) #else static void GUC_yyunput( c, GUC_yy_bp ) int c; register char *GUC_yy_bp; #endif { register char *GUC_yy_cp = GUC_yy_c_buf_p; /* undo effects of setting up GUC_yytext */ *GUC_yy_cp = GUC_yy_hold_char; if ( GUC_yy_cp < GUC_yy_current_buffer->GUC_yy_ch_buf + 2 ) { /* need to shift things up to make room */ /* +2 for EOB chars. */ register int number_to_move = GUC_yy_n_chars + 2; register char *dest = &GUC_yy_current_buffer->GUC_yy_ch_buf[ GUC_yy_current_buffer->GUC_yy_buf_size + 2]; register char *source = &GUC_yy_current_buffer->GUC_yy_ch_buf[number_to_move]; while ( source > GUC_yy_current_buffer->GUC_yy_ch_buf ) *--dest = *--source; GUC_yy_cp += (int) (dest - source); GUC_yy_bp += (int) (dest - source); GUC_yy_current_buffer->GUC_yy_n_chars = GUC_yy_n_chars = GUC_yy_current_buffer->GUC_yy_buf_size; if ( GUC_yy_cp < GUC_yy_current_buffer->GUC_yy_ch_buf + 2 ) YY_FATAL_ERROR( "flex scanner push-back overflow" ); } *--GUC_yy_cp = (char) c; GUC_yytext_ptr = GUC_yy_bp; GUC_yy_hold_char = *GUC_yy_cp; GUC_yy_c_buf_p = GUC_yy_cp; } #endif /* ifndef YY_NO_UNPUT */ #ifdef __cplusplus static int GUC_yyinput() #else static int input() #endif { int c; *GUC_yy_c_buf_p = GUC_yy_hold_char; if ( *GUC_yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) { /* GUC_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 ( GUC_yy_c_buf_p < &GUC_yy_current_buffer->GUC_yy_ch_buf[GUC_yy_n_chars] ) /* This was really a NUL. */ *GUC_yy_c_buf_p = '\0'; else { /* need more input */ int offset = GUC_yy_c_buf_p - GUC_yytext_ptr; ++GUC_yy_c_buf_p; switch ( GUC_yy_get_next_buffer() ) { case EOB_ACT_LAST_MATCH: /* This happens because GUC_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. */ GUC_yyrestart( GUC_yyin ); /* fall through */ case EOB_ACT_END_OF_FILE: { if ( GUC_yywrap() ) return EOF; if ( ! GUC_yy_did_buffer_switch_on_eof ) YY_NEW_FILE; #ifdef __cplusplus return GUC_yyinput(); #else return input(); #endif } case EOB_ACT_CONTINUE_SCAN: GUC_yy_c_buf_p = GUC_yytext_ptr + offset; break; } } } c = *(unsigned char *) GUC_yy_c_buf_p; /* cast for 8-bit char's */ *GUC_yy_c_buf_p = '\0'; /* preserve GUC_yytext */ GUC_yy_hold_char = *++GUC_yy_c_buf_p; return c; } #ifdef YY_USE_PROTOS void GUC_yyrestart( FILE *input_file ) #else void GUC_yyrestart( input_file ) FILE *input_file; #endif { if ( ! GUC_yy_current_buffer ) GUC_yy_current_buffer = GUC_yy_create_buffer( GUC_yyin, YY_BUF_SIZE ); GUC_yy_init_buffer( GUC_yy_current_buffer, input_file ); GUC_yy_load_buffer_state(); } #ifdef YY_USE_PROTOS void GUC_yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) #else void GUC_yy_switch_to_buffer( new_buffer ) YY_BUFFER_STATE new_buffer; #endif { if ( GUC_yy_current_buffer == new_buffer ) return; if ( GUC_yy_current_buffer ) { /* Flush out information for old buffer. */ *GUC_yy_c_buf_p = GUC_yy_hold_char; GUC_yy_current_buffer->GUC_yy_buf_pos = GUC_yy_c_buf_p; GUC_yy_current_buffer->GUC_yy_n_chars = GUC_yy_n_chars; } GUC_yy_current_buffer = new_buffer; GUC_yy_load_buffer_state(); /* We don't actually know whether we did this switch during * EOF (GUC_yywrap()) processing, but the only time this flag * is looked at is after GUC_yywrap() is called, so it's safe * to go ahead and always set it. */ GUC_yy_did_buffer_switch_on_eof = 1; } #ifdef YY_USE_PROTOS void GUC_yy_load_buffer_state( void ) #else void GUC_yy_load_buffer_state() #endif { GUC_yy_n_chars = GUC_yy_current_buffer->GUC_yy_n_chars; GUC_yytext_ptr = GUC_yy_c_buf_p = GUC_yy_current_buffer->GUC_yy_buf_pos; GUC_yyin = GUC_yy_current_buffer->GUC_yy_input_file; GUC_yy_hold_char = *GUC_yy_c_buf_p; } #ifdef YY_USE_PROTOS YY_BUFFER_STATE GUC_yy_create_buffer( FILE *file, int size ) #else YY_BUFFER_STATE GUC_yy_create_buffer( file, size ) FILE *file; int size; #endif { YY_BUFFER_STATE b; b = (YY_BUFFER_STATE) GUC_yy_flex_alloc( sizeof( struct GUC_yy_buffer_state ) ); if ( ! b ) YY_FATAL_ERROR( "out of dynamic memory in GUC_yy_create_buffer()" ); b->GUC_yy_buf_size = size; /* GUC_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->GUC_yy_ch_buf = (char *) GUC_yy_flex_alloc( b->GUC_yy_buf_size + 2 ); if ( ! b->GUC_yy_ch_buf ) YY_FATAL_ERROR( "out of dynamic memory in GUC_yy_create_buffer()" ); b->GUC_yy_is_our_buffer = 1; GUC_yy_init_buffer( b, file ); return b; } #ifdef YY_USE_PROTOS void GUC_yy_delete_buffer( YY_BUFFER_STATE b ) #else void GUC_yy_delete_buffer( b ) YY_BUFFER_STATE b; #endif { if ( ! b ) return; if ( b == GUC_yy_current_buffer ) GUC_yy_current_buffer = (YY_BUFFER_STATE) 0; if ( b->GUC_yy_is_our_buffer ) GUC_yy_flex_free( (void *) b->GUC_yy_ch_buf ); GUC_yy_flex_free( (void *) b ); } #ifndef YY_ALWAYS_INTERACTIVE #ifndef YY_NEVER_INTERACTIVE extern int isatty YY_PROTO(( int )); #endif #endif #ifdef YY_USE_PROTOS void GUC_yy_init_buffer( YY_BUFFER_STATE b, FILE *file ) #else void GUC_yy_init_buffer( b, file ) YY_BUFFER_STATE b; FILE *file; #endif { GUC_yy_flush_buffer( b ); b->GUC_yy_input_file = file; b->GUC_yy_fill_buffer = 1; #if YY_ALWAYS_INTERACTIVE b->GUC_yy_is_interactive = 1; #else #if YY_NEVER_INTERACTIVE b->GUC_yy_is_interactive = 0; #else b->GUC_yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; #endif #endif } #ifdef YY_USE_PROTOS void GUC_yy_flush_buffer( YY_BUFFER_STATE b ) #else void GUC_yy_flush_buffer( b ) YY_BUFFER_STATE b; #endif { if ( ! b ) return; b->GUC_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->GUC_yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; b->GUC_yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; b->GUC_yy_buf_pos = &b->GUC_yy_ch_buf[0]; b->GUC_yy_at_bol = 1; b->GUC_yy_buffer_status = YY_BUFFER_NEW; if ( b == GUC_yy_current_buffer ) GUC_yy_load_buffer_state(); } #ifndef YY_NO_SCAN_BUFFER #ifdef YY_USE_PROTOS YY_BUFFER_STATE GUC_yy_scan_buffer( char *base, GUC_yy_size_t size ) #else YY_BUFFER_STATE GUC_yy_scan_buffer( base, size ) char *base; GUC_yy_size_t size; #endif { 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) GUC_yy_flex_alloc( sizeof( struct GUC_yy_buffer_state ) ); if ( ! b ) YY_FATAL_ERROR( "out of dynamic memory in GUC_yy_scan_buffer()" ); b->GUC_yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ b->GUC_yy_buf_pos = b->GUC_yy_ch_buf = base; b->GUC_yy_is_our_buffer = 0; b->GUC_yy_input_file = 0; b->GUC_yy_n_chars = b->GUC_yy_buf_size; b->GUC_yy_is_interactive = 0; b->GUC_yy_at_bol = 1; b->GUC_yy_fill_buffer = 0; b->GUC_yy_buffer_status = YY_BUFFER_NEW; GUC_yy_switch_to_buffer( b ); return b; } #endif #ifndef YY_NO_SCAN_STRING #ifdef YY_USE_PROTOS YY_BUFFER_STATE GUC_yy_scan_string( GUC_yyconst char *GUC_yy_str ) #else YY_BUFFER_STATE GUC_yy_scan_string( GUC_yy_str ) GUC_yyconst char *GUC_yy_str; #endif { int len; for ( len = 0; GUC_yy_str[len]; ++len ) ; return GUC_yy_scan_bytes( GUC_yy_str, len ); } #endif #ifndef YY_NO_SCAN_BYTES #ifdef YY_USE_PROTOS YY_BUFFER_STATE GUC_yy_scan_bytes( GUC_yyconst char *bytes, int len ) #else YY_BUFFER_STATE GUC_yy_scan_bytes( bytes, len ) GUC_yyconst char *bytes; int len; #endif { YY_BUFFER_STATE b; char *buf; GUC_yy_size_t n; int i; /* Get memory for full buffer, including space for trailing EOB's. */ n = len + 2; buf = (char *) GUC_yy_flex_alloc( n ); if ( ! buf ) YY_FATAL_ERROR( "out of dynamic memory in GUC_yy_scan_bytes()" ); for ( i = 0; i < len; ++i ) buf[i] = bytes[i]; buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR; b = GUC_yy_scan_buffer( buf, n ); if ( ! b ) YY_FATAL_ERROR( "bad buffer in GUC_yy_scan_bytes()" ); /* It's okay to grow etc. this buffer, and we should throw it * away when we're done. */ b->GUC_yy_is_our_buffer = 1; return b; } #endif #ifndef YY_NO_PUSH_STATE #ifdef YY_USE_PROTOS static void GUC_yy_push_state( int new_state ) #else static void GUC_yy_push_state( new_state ) int new_state; #endif { if ( GUC_yy_start_stack_ptr >= GUC_yy_start_stack_depth ) { GUC_yy_size_t new_size; GUC_yy_start_stack_depth += YY_START_STACK_INCR; new_size = GUC_yy_start_stack_depth * sizeof( int ); if ( ! GUC_yy_start_stack ) GUC_yy_start_stack = (int *) GUC_yy_flex_alloc( new_size ); else GUC_yy_start_stack = (int *) GUC_yy_flex_realloc( (void *) GUC_yy_start_stack, new_size ); if ( ! GUC_yy_start_stack ) YY_FATAL_ERROR( "out of memory expanding start-condition stack" ); } GUC_yy_start_stack[GUC_yy_start_stack_ptr++] = YY_START; BEGIN(new_state); } #endif #ifndef YY_NO_POP_STATE static void GUC_yy_pop_state() { if ( --GUC_yy_start_stack_ptr < 0 ) YY_FATAL_ERROR( "start-condition stack underflow" ); BEGIN(GUC_yy_start_stack[GUC_yy_start_stack_ptr]); } #endif #ifndef YY_NO_TOP_STATE static int GUC_yy_top_state() { return GUC_yy_start_stack[GUC_yy_start_stack_ptr - 1]; } #endif #ifndef YY_EXIT_FAILURE #define YY_EXIT_FAILURE 2 #endif #ifdef YY_USE_PROTOS static void GUC_yy_fatal_error( GUC_yyconst char msg[] ) #else static void GUC_yy_fatal_error( msg ) char msg[]; #endif { (void) fprintf( stderr, "%s\n", msg ); exit( YY_EXIT_FAILURE ); } /* Redefine GUC_yyless() so it works in section 3 code. */ #undef GUC_yyless #define GUC_yyless(n) \ do \ { \ /* Undo effects of setting up GUC_yytext. */ \ GUC_yytext[GUC_yyleng] = GUC_yy_hold_char; \ GUC_yy_c_buf_p = GUC_yytext + n; \ GUC_yy_hold_char = *GUC_yy_c_buf_p; \ *GUC_yy_c_buf_p = '\0'; \ GUC_yyleng = n; \ } \ while ( 0 ) /* Internal utility routines. */ #ifndef GUC_yytext_ptr #ifdef YY_USE_PROTOS static void GUC_yy_flex_strncpy( char *s1, GUC_yyconst char *s2, int n ) #else static void GUC_yy_flex_strncpy( s1, s2, n ) char *s1; GUC_yyconst char *s2; int n; #endif { register int i; for ( i = 0; i < n; ++i ) s1[i] = s2[i]; } #endif #ifdef YY_NEED_STRLEN #ifdef YY_USE_PROTOS static int GUC_yy_flex_strlen( GUC_yyconst char *s ) #else static int GUC_yy_flex_strlen( s ) GUC_yyconst char *s; #endif { register int n; for ( n = 0; s[n]; ++n ) ; return n; } #endif #ifdef YY_USE_PROTOS static void *GUC_yy_flex_alloc( GUC_yy_size_t size ) #else static void *GUC_yy_flex_alloc( size ) GUC_yy_size_t size; #endif { return (void *) malloc( size ); } #ifdef YY_USE_PROTOS static void *GUC_yy_flex_realloc( void *ptr, GUC_yy_size_t size ) #else static void *GUC_yy_flex_realloc( ptr, size ) void *ptr; GUC_yy_size_t size; #endif { /* 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 ); } #ifdef YY_USE_PROTOS static void GUC_yy_flex_free( void *ptr ) #else static void GUC_yy_flex_free( ptr ) void *ptr; #endif { free( ptr ); } #if YY_MAIN int main() { GUC_yylex(); return 0; } #endif #line 86 "guc-file.l" struct name_value_pair { char *name; char *value; struct name_value_pair *next; }; /* * Free a list of name/value pairs, including the names and the values */ static void free_name_value_list(struct name_value_pair * list) { struct name_value_pair *item; item = list; while (item) { struct name_value_pair *save; save = item->next; free(item->name); free(item->value); free(item); item = save; } } /* * Official function to read and process the configuration file. The * parameter indicates in what context the file is being read * (postmaster startup, backend startup, or SIGHUP). All options * mentioned in the configuration file are set to new values. This * function does not return if an error occurs. If an error occurs, no * values will be changed. */ void ProcessConfigFile(GucContext context) { int token, parse_state; char *opt_name, *opt_value; char *filename; struct name_value_pair *item, *head, *tail; int elevel; FILE * fp; Assert(context == PGC_POSTMASTER || context == PGC_BACKEND || context == PGC_SIGHUP); Assert(DataDir); elevel = (context == PGC_SIGHUP) ? DEBUG3 : ERROR; /* * Open file */ filename = malloc(strlen(DataDir) + strlen(CONFIG_FILENAME) + 2); if (filename == NULL) { elog(elevel, "out of memory"); return; } sprintf(filename, "%s/" CONFIG_FILENAME, DataDir); fp = AllocateFile(filename, "r"); if (!fp) { free(filename); /* File not found is fine */ if (errno != ENOENT) elog(elevel, "could not read configuration file `" CONFIG_FILENAME "': %s", strerror(errno)); return; } /* * Parse */ GUC_yyin = fp; parse_state = 0; head = tail = NULL; opt_name = opt_value = NULL; while ((token = GUC_yylex())) switch(parse_state) { case 0: /* no previous input */ if (token == GUC_EOL) /* empty line */ continue; if (token != GUC_ID) goto parse_error; opt_name = strdup(GUC_yytext); if (opt_name == NULL) goto out_of_memory; parse_state = 1; break; case 1: /* found name */ /* ignore equals sign */ if (token == GUC_EQUALS) token = GUC_yylex(); if (token != GUC_ID && token != GUC_STRING && token != GUC_INTEGER && token != GUC_REAL && token != GUC_UNQUOTED_STRING) goto parse_error; opt_value = strdup(GUC_yytext); if (opt_value == NULL) goto out_of_memory; if (token == GUC_STRING) { /* remove the beginning and ending quote/apostrophe */ /* first: shift the whole thing down one character */ memmove(opt_value,opt_value+1,strlen(opt_value)-1); /* second: null out the 2 characters we shifted */ opt_value[strlen(opt_value)-2]='\0'; /* do the escape thing. free()'s the strdup above */ opt_value=GUC_scanstr(opt_value); } parse_state = 2; break; case 2: /* now we'd like an end of line */ if (token != GUC_EOL) goto parse_error; /* append to list */ item = malloc(sizeof *item); if (item == NULL) goto out_of_memory; item->name = opt_name; item->value = opt_value; item->next = NULL; if (!head) tail = head = item; else { tail->next = item; tail = item; } parse_state = 0; break; } FreeFile(fp); free(filename); /* * Check if all options are valid */ for(item = head; item; item=item->next) { if (!set_config_option(item->name, item->value, context, PGC_S_FILE, false, false)) goto cleanup_exit; } /* If we got here all the options parsed okay. */ for(item = head; item; item=item->next) set_config_option(item->name, item->value, context, PGC_S_FILE, false, true); cleanup_exit: free_name_value_list(head); return; parse_error: FreeFile(fp); free(filename); free_name_value_list(head); elog(elevel, CONFIG_FILENAME ":%u: syntax error, token=\"%s\"", ConfigFileLineno,GUC_yytext); return; out_of_memory: FreeFile(fp); free(filename); free_name_value_list(head); elog(elevel, "out of memory"); return; } /* ---------------- * scanstr * * if the string passed in has escaped codes, map the escape codes to actual * chars * * the string returned is malloc'd and should eventually be free'd by the * caller! * ---------------- */ char * GUC_scanstr(char *s) { char *newStr; int len, i, j; if (s == NULL || s[0] == '\0') { if (s != NULL) free (s); return strdup(""); } len = strlen(s); newStr = malloc(len + 1); /* string cannot get longer */ if (newStr == NULL) elog(FATAL, "out of memory"); for (i = 0, j = 0; i < len; i++) { if (s[i] == '\\') { i++; switch (s[i]) { case 'b': newStr[j] = '\b'; break; case 'f': newStr[j] = '\f'; break; case 'n': newStr[j] = '\n'; break; case 'r': newStr[j] = '\r'; break; case 't': newStr[j] = '\t'; break; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': { int k; long octVal = 0; for (k = 0; s[i + k] >= '0' && s[i + k] <= '7' && k < 3; k++) octVal = (octVal << 3) + (s[i + k] - '0'); i += k - 1; newStr[j] = ((char) octVal); } break; default: newStr[j] = s[i]; break; } } /* switch */ else newStr[j] = s[i]; j++; } newStr[j] = '\0'; free(s); return newStr; }