Edit File: zconf.lex.c
#line 3 "scripts/kconfig/zconf.lex.c_shipped" #define YY_INT_ALIGNED short int /* A lexical scanner generated by flex */ #define yy_create_buffer zconf_create_buffer #define yy_delete_buffer zconf_delete_buffer #define yy_flex_debug zconf_flex_debug #define yy_init_buffer zconf_init_buffer #define yy_flush_buffer zconf_flush_buffer #define yy_load_buffer_state zconf_load_buffer_state #define yy_switch_to_buffer zconf_switch_to_buffer #define yyin zconfin #define yyleng zconfleng #define yylex zconflex #define yylineno zconflineno #define yyout zconfout #define yyrestart zconfrestart #define yytext zconftext #define yywrap zconfwrap #define yyalloc zconfalloc #define yyrealloc zconfrealloc #define yyfree zconffree #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 <stdio.h> #include <string.h> #include <errno.h> #include <stdlib.h> /* end standard C headers. */ /* flex integer type definitions */ #ifndef FLEXINT_H #define FLEXINT_H /* C99 systems have <inttypes.h>. 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 <inttypes.h> typedef int8_t flex_int8_t; typedef uint8_t flex_uint8_t; typedef int16_t flex_int16_t; typedef uint16_t flex_uint16_t; typedef int32_t flex_int32_t; typedef uint32_t flex_uint32_t; #else typedef signed char flex_int8_t; typedef short int flex_int16_t; typedef int flex_int32_t; typedef unsigned char flex_uint8_t; typedef unsigned short int flex_uint16_t; typedef unsigned int flex_uint32_t; /* 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 /* ! C99 */ #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 zconfrestart(zconfin ) #define YY_END_OF_BUFFER_CHAR 0 /* Size of default input buffer. */ #ifndef YY_BUF_SIZE #ifdef __ia64__ /* On IA-64, the buffer size is 16k, not 8k. * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. * Ditto for the __ia64__ case accordingly. */ #define YY_BUF_SIZE 32768 #else #define YY_BUF_SIZE 16384 #endif /* __ia64__ */ #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 extern int zconfleng; extern FILE *zconfin, *zconfout; #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 zconftext. */ \ 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 zconftext again */ \ } \ while ( 0 ) #define unput(c) yyunput( c, (yytext_ptr) ) #ifndef YY_TYPEDEF_YY_SIZE_T #define YY_TYPEDEF_YY_SIZE_T typedef size_t yy_size_t; #endif #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. */ int 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 zconfrestart()), so that the user can continue scanning by * just pointing zconfin 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 zconftext is formed. */ static char yy_hold_char; static int yy_n_chars; /* number of characters read into yy_ch_buf */ int zconfleng; /* 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 zconfwrap()'s to do buffer switches * instead of setting up a fresh zconfin. A bit of a hack ... */ static int yy_did_buffer_switch_on_eof; void zconfrestart (FILE *input_file ); void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer ); YY_BUFFER_STATE zconf_create_buffer (FILE *file,int size ); void zconf_delete_buffer (YY_BUFFER_STATE b ); void zconf_flush_buffer (YY_BUFFER_STATE b ); void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer ); void zconfpop_buffer_state (void ); static void zconfensure_buffer_stack (void ); static void zconf_load_buffer_state (void ); static void zconf_init_buffer (YY_BUFFER_STATE b,FILE *file ); #define YY_FLUSH_BUFFER zconf_flush_buffer(YY_CURRENT_BUFFER ) YY_BUFFER_STATE zconf_scan_buffer (char *base,yy_size_t size ); YY_BUFFER_STATE zconf_scan_string (yyconst char *yy_str ); YY_BUFFER_STATE zconf_scan_bytes (yyconst char *bytes,int len ); void *zconfalloc (yy_size_t ); void *zconfrealloc (void *,yy_size_t ); void zconffree (void * ); #define yy_new_buffer zconf_create_buffer #define yy_set_interactive(is_interactive) \ { \ if ( ! YY_CURRENT_BUFFER ){ \ zconfensure_buffer_stack (); \ YY_CURRENT_BUFFER_LVALUE = \ zconf_create_buffer(zconfin,YY_BUF_SIZE ); \ } \ YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ } #define yy_set_bol(at_bol) \ { \ if ( ! YY_CURRENT_BUFFER ){\ zconfensure_buffer_stack (); \ YY_CURRENT_BUFFER_LVALUE = \ zconf_create_buffer(zconfin,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 */ #define zconfwrap(n) 1 #define YY_SKIP_YYWRAP typedef unsigned char YY_CHAR; FILE *zconfin = (FILE *) 0, *zconfout = (FILE *) 0; typedef int yy_state_type; extern int zconflineno; int zconflineno = 1; extern char *zconftext; #define yytext_ptr zconftext static yyconst flex_int16_t yy_nxt[][18] = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 11, 12, 13, 14, 12, 12, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12 }, { 11, 12, 13, 14, 12, 12, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12 }, { 11, 16, 16, 17, 16, 16, 16, 16, 16, 16, 16, 18, 16, 16, 16, 16, 16, 16 }, { 11, 16, 16, 17, 16, 16, 16, 16, 16, 16, 16, 18, 16, 16, 16, 16, 16, 16 }, { 11, 19, 20, 21, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19 }, { 11, 19, 20, 21, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19 }, { 11, 22, 22, 23, 22, 24, 22, 22, 24, 22, 22, 22, 22, 22, 22, 22, 25, 22 }, { 11, 22, 22, 23, 22, 24, 22, 22, 24, 22, 22, 22, 22, 22, 22, 22, 25, 22 }, { 11, 26, 27, 28, 29, 30, 31, 32, 30, 33, 34, 35, 35, 36, 37, 38, 39, 40 }, { 11, 26, 27, 28, 29, 30, 31, 32, 30, 33, 34, 35, 35, 36, 37, 38, 39, 40 }, { -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, -11 }, { 11, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12 }, { 11, -13, 41, 42, -13, -13, 43, -13, -13, -13, -13, -13, -13, -13, -13, -13, -13, -13 }, { 11, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14 }, { 11, 44, 44, 45, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44 }, { 11, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16 }, { 11, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17 }, { 11, -18, -18, -18, -18, -18, -18, -18, -18, -18, -18, 46, -18, -18, -18, -18, -18, -18 }, { 11, 47, 47, -19, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47 }, { 11, -20, 48, 49, -20, -20, -20, -20, -20, -20, -20, -20, -20, -20, -20, -20, -20, -20 }, { 11, 50, -21, -21, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50 }, { 11, 51, 51, 52, 51, -22, 51, 51, -22, 51, 51, 51, 51, 51, 51, 51, -22, 51 }, { 11, -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, -23 }, { 11, -24, -24, -24, -24, -24, -24, -24, -24, -24, -24, -24, -24, -24, -24, -24, -24, -24 }, { 11, 53, 53, 54, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53 }, { 11, -26, -26, -26, -26, -26, -26, -26, -26, -26, -26, -26, -26, -26, -26, -26, -26, -26 }, { 11, -27, 55, -27, -27, -27, -27, -27, -27, -27, -27, -27, -27, -27, -27, -27, -27, -27 }, { 11, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28 }, { 11, -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, 56, -29, -29, -29 }, { 11, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30 }, { 11, 57, 57, -31, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57 }, { 11, -32, -32, -32, -32, -32, -32, 58, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32 }, { 11, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33 }, { 11, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34 }, { 11, -35, -35, -35, -35, -35, -35, -35, -35, -35, -35, 59, 59, -35, -35, -35, -35, -35 }, { 11, -36, -36, -36, -36, -36, -36, -36, -36, -36, -36, -36, -36, -36, 60, -36, -36, -36 }, { 11, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37, -37 }, { 11, -38, -38, -38, -38, -38, -38, -38, -38, -38, -38, -38, -38, -38, 61, -38, -38, -38 }, { 11, -39, -39, 62, -39, -39, -39, -39, -39, -39, -39, -39, -39, -39, -39, -39, -39, -39 }, { 11, -40, -40, -40, -40, -40, -40, -40, -40, -40, -40, -40, -40, -40, -40, -40, -40, 63 }, { 11, -41, 41, 42, -41, -41, 43, -41, -41, -41, -41, -41, -41, -41, -41, -41, -41, -41 }, { 11, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42 }, { 11, 44, 44, 45, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44 }, { 11, 44, 44, 45, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44 }, { 11, -45, -45, -45, -45, -45, -45, -45, -45, -45, -45, -45, -45, -45, -45, -45, -45, -45 }, { 11, -46, -46, -46, -46, -46, -46, -46, -46, -46, -46, 46, -46, -46, -46, -46, -46, -46 }, { 11, 47, 47, -47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47 }, { 11, -48, 48, 49, -48, -48, -48, -48, -48, -48, -48, -48, -48, -48, -48, -48, -48, -48 }, { 11, 50, -49, -49, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50 }, { 11, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50 }, { 11, 51, 51, 52, 51, -51, 51, 51, -51, 51, 51, 51, 51, 51, 51, 51, -51, 51 }, { 11, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52 }, { 11, -53, -53, 54, -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, -53 }, { 11, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54 }, { 11, -55, 55, -55, -55, -55, -55, -55, -55, -55, -55, -55, -55, -55, -55, -55, -55, -55 }, { 11, -56, -56, -56, -56, -56, -56, -56, -56, -56, -56, -56, -56, -56, -56, -56, -56, -56 }, { 11, 57, 57, -57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57 }, { 11, -58, -58, -58, -58, -58, -58, -58, -58, -58, -58, -58, -58, -58, -58, -58, -58, -58 }, { 11, -59, -59, -59, -59, -59, -59, -59, -59, -59, -59, 59, 59, -59, -59, -59, -59, -59 }, { 11, -60, -60, -60, -60, -60, -60, -60, -60, -60, -60, -60, -60, -60, -60, -60, -60, -60 }, { 11, -61, -61, -61, -61, -61, -61, -61, -61, -61, -61, -61, -61, -61, -61, -61, -61, -61 }, { 11, -62, -62, -62, -62, -62, -62, -62, -62, -62, -62, -62, -62, -62, -62, -62, -62, -62 }, { 11, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63 }, } ; 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 zconftext. */ #define YY_DO_BEFORE_ACTION \ (yytext_ptr) = yy_bp; \ zconfleng = (size_t) (yy_cp - yy_bp); \ (yy_hold_char) = *yy_cp; \ *yy_cp = '\0'; \ (yy_c_buf_p) = yy_cp; #define YY_NUM_RULES 37 #define YY_END_OF_BUFFER 38 /* 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[64] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 38, 5, 4, 2, 3, 7, 8, 6, 36, 33, 35, 28, 32, 31, 30, 26, 25, 21, 13, 20, 23, 26, 11, 12, 22, 18, 14, 19, 26, 26, 4, 2, 3, 3, 1, 6, 36, 33, 35, 34, 28, 27, 30, 29, 25, 15, 23, 9, 22, 16, 17, 24, 10 } ; 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, 5, 6, 1, 1, 7, 8, 9, 10, 1, 1, 1, 11, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 13, 14, 15, 1, 1, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 16, 1, 1, 11, 1, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 } ; extern int zconf_flex_debug; int zconf_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 *zconftext; #define YY_NO_INPUT 1 /* * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> * Released under the terms of the GNU GPL v2.0. */ #include <limits.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include "lkc.h" #define START_STRSIZE 16 static struct { struct file *file; int lineno; } current_pos; static char *text; static int text_size, text_asize; struct buffer { struct buffer *parent; YY_BUFFER_STATE state; }; struct buffer *current_buf; static int last_ts, first_ts; static void zconf_endhelp(void); static void zconf_endfile(void); static void new_string(void) { text = xmalloc(START_STRSIZE); text_asize = START_STRSIZE; text_size = 0; *text = 0; } static void append_string(const char *str, int size) { int new_size = text_size + size + 1; if (new_size > text_asize) { new_size += START_STRSIZE - 1; new_size &= -START_STRSIZE; text = realloc(text, new_size); text_asize = new_size; } memcpy(text + text_size, str, size); text_size += size; text[text_size] = 0; } static void alloc_string(const char *str, int size) { text = xmalloc(size + 1); memcpy(text, str, size); text[size] = 0; } static void warn_ignored_character(char chr) { fprintf(stderr, "%s:%d:warning: ignoring unsupported character '%c'\n", zconf_curname(), zconf_lineno(), chr); } #define INITIAL 0 #define COMMAND 1 #define HELP 2 #define STRING 3 #define PARAM 4 #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 <unistd.h> #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 zconflex_destroy (void ); int zconfget_debug (void ); void zconfset_debug (int debug_flag ); YY_EXTRA_TYPE zconfget_extra (void ); void zconfset_extra (YY_EXTRA_TYPE user_defined ); FILE *zconfget_in (void ); void zconfset_in (FILE * in_str ); FILE *zconfget_out (void ); void zconfset_out (FILE * out_str ); int zconfget_leng (void ); char *zconfget_text (void ); int zconfget_lineno (void ); void zconfset_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 zconfwrap (void ); #else extern int zconfwrap (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 #ifdef __ia64__ /* On IA-64, the buffer size is 16k, not 8k */ #define YY_READ_BUF_SIZE 16384 #else #define YY_READ_BUF_SIZE 8192 #endif /* __ia64__ */ #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 do { if (fwrite( zconftext, zconfleng, 1, zconfout )) {} } while (0) #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) \ errno=0; \ while ( (result = read( fileno(zconfin), (char *) buf, max_size )) < 0 ) \ { \ if( errno != EINTR) \ { \ YY_FATAL_ERROR( "input in flex scanner failed" ); \ break; \ } \ errno=0; \ clearerr(zconfin); \ }\ \ #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 zconflex (void); #define YY_DECL int zconflex (void) #endif /* !YY_DECL */ /* Code executed at the beginning of each rule, after zconftext and zconfleng * 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; int str = 0; int ts, i; if ( !(yy_init) ) { (yy_init) = 1; #ifdef YY_USER_INIT YY_USER_INIT; #endif if ( ! (yy_start) ) (yy_start) = 1; /* first start state */ if ( ! zconfin ) zconfin = stdin; if ( ! zconfout ) zconfout = stdout; if ( ! YY_CURRENT_BUFFER ) { zconfensure_buffer_stack (); YY_CURRENT_BUFFER_LVALUE = zconf_create_buffer(zconfin,YY_BUF_SIZE ); } zconf_load_buffer_state( ); } while ( 1 ) /* loops until end-of-file is reached */ { yy_cp = (yy_c_buf_p); /* Support of zconftext. */ *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: while ( (yy_current_state = yy_nxt[yy_current_state][ yy_ec[YY_SC_TO_UI(*yy_cp)] ]) > 0 ) ++yy_cp; yy_current_state = -yy_current_state; yy_find_action: 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 1: /* rule 1 can match eol */ case 2: /* rule 2 can match eol */ YY_RULE_SETUP { current_file->lineno++; return T_EOL; } YY_BREAK case 3: YY_RULE_SETUP YY_BREAK case 4: YY_RULE_SETUP { BEGIN(COMMAND); } YY_BREAK case 5: YY_RULE_SETUP { unput(zconftext[0]); BEGIN(COMMAND); } YY_BREAK case 6: YY_RULE_SETUP { const struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng); BEGIN(PARAM); current_pos.file = current_file; current_pos.lineno = current_file->lineno; if (id && id->flags & TF_COMMAND) { zconflval.id = id; return id->token; } alloc_string(zconftext, zconfleng); zconflval.string = text; return T_WORD; } YY_BREAK case 7: YY_RULE_SETUP warn_ignored_character(*zconftext); YY_BREAK case 8: /* rule 8 can match eol */ YY_RULE_SETUP { BEGIN(INITIAL); current_file->lineno++; return T_EOL; } YY_BREAK case 9: YY_RULE_SETUP return T_AND; YY_BREAK case 10: YY_RULE_SETUP return T_OR; YY_BREAK case 11: YY_RULE_SETUP return T_OPEN_PAREN; YY_BREAK case 12: YY_RULE_SETUP return T_CLOSE_PAREN; YY_BREAK case 13: YY_RULE_SETUP return T_NOT; YY_BREAK case 14: YY_RULE_SETUP return T_EQUAL; YY_BREAK case 15: YY_RULE_SETUP return T_UNEQUAL; YY_BREAK case 16: YY_RULE_SETUP return T_LESS_EQUAL; YY_BREAK case 17: YY_RULE_SETUP return T_GREATER_EQUAL; YY_BREAK case 18: YY_RULE_SETUP return T_LESS; YY_BREAK case 19: YY_RULE_SETUP return T_GREATER; YY_BREAK case 20: YY_RULE_SETUP { str = zconftext[0]; new_string(); BEGIN(STRING); } YY_BREAK case 21: /* rule 21 can match eol */ YY_RULE_SETUP BEGIN(INITIAL); current_file->lineno++; return T_EOL; YY_BREAK case 22: YY_RULE_SETUP { const struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng); if (id && id->flags & TF_PARAM) { zconflval.id = id; return id->token; } alloc_string(zconftext, zconfleng); zconflval.string = text; return T_WORD; } YY_BREAK case 23: YY_RULE_SETUP /* comment */ YY_BREAK case 24: /* rule 24 can match eol */ YY_RULE_SETUP current_file->lineno++; YY_BREAK case 25: YY_RULE_SETUP YY_BREAK case 26: YY_RULE_SETUP warn_ignored_character(*zconftext); YY_BREAK case YY_STATE_EOF(PARAM): { BEGIN(INITIAL); } YY_BREAK case 27: /* rule 27 can match eol */ *yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */ (yy_c_buf_p) = yy_cp -= 1; YY_DO_BEFORE_ACTION; /* set up zconftext again */ YY_RULE_SETUP { append_string(zconftext, zconfleng); zconflval.string = text; return T_WORD_QUOTE; } YY_BREAK case 28: YY_RULE_SETUP { append_string(zconftext, zconfleng); } YY_BREAK case 29: /* rule 29 can match eol */ *yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */ (yy_c_buf_p) = yy_cp -= 1; YY_DO_BEFORE_ACTION; /* set up zconftext again */ YY_RULE_SETUP { append_string(zconftext + 1, zconfleng - 1); zconflval.string = text; return T_WORD_QUOTE; } YY_BREAK case 30: YY_RULE_SETUP { append_string(zconftext + 1, zconfleng - 1); } YY_BREAK case 31: YY_RULE_SETUP { if (str == zconftext[0]) { BEGIN(PARAM); zconflval.string = text; return T_WORD_QUOTE; } else append_string(zconftext, 1); } YY_BREAK case 32: /* rule 32 can match eol */ YY_RULE_SETUP { printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno()); current_file->lineno++; BEGIN(INITIAL); return T_EOL; } YY_BREAK case YY_STATE_EOF(STRING): { BEGIN(INITIAL); } YY_BREAK case 33: YY_RULE_SETUP { ts = 0; for (i = 0; i < zconfleng; i++) { if (zconftext[i] == '\t') ts = (ts & ~7) + 8; else ts++; } last_ts = ts; if (first_ts) { if (ts < first_ts) { zconf_endhelp(); return T_HELPTEXT; } ts -= first_ts; while (ts > 8) { append_string(" ", 8); ts -= 8; } append_string(" ", ts); } } YY_BREAK case 34: /* rule 34 can match eol */ *yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */ (yy_c_buf_p) = yy_cp -= 1; YY_DO_BEFORE_ACTION; /* set up zconftext again */ YY_RULE_SETUP { current_file->lineno++; zconf_endhelp(); return T_HELPTEXT; } YY_BREAK case 35: /* rule 35 can match eol */ YY_RULE_SETUP { current_file->lineno++; append_string("\n", 1); } YY_BREAK case 36: YY_RULE_SETUP { while (zconfleng) { if ((zconftext[zconfleng-1] != ' ') && (zconftext[zconfleng-1] != '\t')) break; zconfleng--; } append_string(zconftext, zconfleng); if (!first_ts) first_ts = last_ts; } YY_BREAK case YY_STATE_EOF(HELP): { zconf_endhelp(); return T_HELPTEXT; } YY_BREAK case YY_STATE_EOF(INITIAL): case YY_STATE_EOF(COMMAND): { if (current_file) { zconf_endfile(); return T_EOL; } fclose(zconfin); yyterminate(); } YY_BREAK case 37: YY_RULE_SETUP YY_FATAL_ERROR( "flex scanner jammed" ); YY_BREAK 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 zconfin at a new source and called * zconflex(). 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 = zconfin; 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 ( zconfwrap( ) ) { /* Note: because we've taken care in * yy_get_next_buffer() to have set up * zconftext, 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 zconflex */ /* 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 { int 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 ) { int 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. */ zconfrealloc((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), (size_t) 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; zconfrestart(zconfin ); } 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 *) zconfrealloc((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 ) { yy_current_state = yy_nxt[yy_current_state][(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1)]; } 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; yy_current_state = yy_nxt[yy_current_state][1]; yy_is_jam = (yy_current_state <= 0); 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 zconftext */ *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 int number_to_move = (yy_n_chars) + 2; register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; register char *source = &YY_CURRENT_BUFFER_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 */ int 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. */ zconfrestart(zconfin ); /*FALLTHROUGH*/ case EOB_ACT_END_OF_FILE: { if ( zconfwrap( ) ) return EOF; 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 zconftext */ (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 zconfrestart (FILE * input_file ) { if ( ! YY_CURRENT_BUFFER ){ zconfensure_buffer_stack (); YY_CURRENT_BUFFER_LVALUE = zconf_create_buffer(zconfin,YY_BUF_SIZE ); } zconf_init_buffer(YY_CURRENT_BUFFER,input_file ); zconf_load_buffer_state( ); } /** Switch to a different input buffer. * @param new_buffer The new input buffer. * */ void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer ) { /* TODO. We should be able to replace this entire function body * with * zconfpop_buffer_state(); * zconfpush_buffer_state(new_buffer); */ zconfensure_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; zconf_load_buffer_state( ); /* We don't actually know whether we did this switch during * EOF (zconfwrap()) processing, but the only time this flag * is looked at is after zconfwrap() is called, so it's safe * to go ahead and always set it. */ (yy_did_buffer_switch_on_eof) = 1; } static void zconf_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; zconfin = 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 zconf_create_buffer (FILE * file, int size ) { YY_BUFFER_STATE b; b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state ) ); if ( ! b ) YY_FATAL_ERROR( "out of dynamic memory in zconf_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 *) zconfalloc(b->yy_buf_size + 2 ); if ( ! b->yy_ch_buf ) YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" ); b->yy_is_our_buffer = 1; zconf_init_buffer(b,file ); return b; } /** Destroy the buffer. * @param b a buffer created with zconf_create_buffer() * */ void zconf_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 ) zconffree((void *) b->yy_ch_buf ); zconffree((void *) b ); } /* Initializes or reinitializes a buffer. * This function is sometimes called more than once on the same buffer, * such as during a zconfrestart() or at EOF. */ static void zconf_init_buffer (YY_BUFFER_STATE b, FILE * file ) { int oerrno = errno; zconf_flush_buffer(b ); b->yy_input_file = file; b->yy_fill_buffer = 1; /* If b is the current buffer, then zconf_init_buffer was _probably_ * called from zconfrestart() 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 = 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 zconf_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 ) zconf_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 zconfpush_buffer_state (YY_BUFFER_STATE new_buffer ) { if (new_buffer == NULL) return; zconfensure_buffer_stack(); /* This block is copied from zconf_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 zconf_switch_to_buffer. */ zconf_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 zconfpop_buffer_state (void) { if (!YY_CURRENT_BUFFER) return; zconf_delete_buffer(YY_CURRENT_BUFFER ); YY_CURRENT_BUFFER_LVALUE = NULL; if ((yy_buffer_stack_top) > 0) --(yy_buffer_stack_top); if (YY_CURRENT_BUFFER) { zconf_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 zconfensure_buffer_stack (void) { int num_to_alloc; if (!(yy_buffer_stack)) { /* First allocation is just for 2 elements, since we don't know if this * scanner will even need a stack. We use 2 instead of 1 to avoid an * immediate realloc on the next call. */ num_to_alloc = 1; (yy_buffer_stack) = (struct yy_buffer_state**)zconfalloc (num_to_alloc * sizeof(struct yy_buffer_state*) ); if ( ! (yy_buffer_stack) ) YY_FATAL_ERROR( "out of dynamic memory in zconfensure_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**)zconfrealloc ((yy_buffer_stack), num_to_alloc * sizeof(struct yy_buffer_state*) ); if ( ! (yy_buffer_stack) ) YY_FATAL_ERROR( "out of dynamic memory in zconfensure_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 zconf_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) zconfalloc(sizeof( struct yy_buffer_state ) ); if ( ! b ) YY_FATAL_ERROR( "out of dynamic memory in zconf_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; zconf_switch_to_buffer(b ); return b; } /** Setup the input buffer state to scan a string. The next call to zconflex() 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 * zconf_scan_bytes() instead. */ YY_BUFFER_STATE zconf_scan_string (yyconst char * yystr ) { return zconf_scan_bytes(yystr,strlen(yystr) ); } /** Setup the input buffer state to scan the given bytes. The next call to zconflex() will * scan from a @e copy of @a bytes. * @param yybytes the byte buffer to scan * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. * * @return the newly allocated buffer state object. */ YY_BUFFER_STATE zconf_scan_bytes (yyconst char * yybytes, int _yybytes_len ) { YY_BUFFER_STATE b; char *buf; yy_size_t n; int i; /* Get memory for full buffer, including space for trailing EOB's. */ n = _yybytes_len + 2; buf = (char *) zconfalloc(n ); if ( ! buf ) YY_FATAL_ERROR( "out of dynamic memory in zconf_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 = zconf_scan_buffer(buf,n ); if ( ! b ) YY_FATAL_ERROR( "bad buffer in zconf_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 zconftext. */ \ int yyless_macro_arg = (n); \ YY_LESS_LINENO(yyless_macro_arg);\ zconftext[zconfleng] = (yy_hold_char); \ (yy_c_buf_p) = zconftext + yyless_macro_arg; \ (yy_hold_char) = *(yy_c_buf_p); \ *(yy_c_buf_p) = '\0'; \ zconfleng = yyless_macro_arg; \ } \ while ( 0 ) /* Accessor methods (get/set functions) to struct members. */ /** Get the current line number. * */ int zconfget_lineno (void) { return zconflineno; } /** Get the input stream. * */ FILE *zconfget_in (void) { return zconfin; } /** Get the output stream. * */ FILE *zconfget_out (void) { return zconfout; } /** Get the length of the current token. * */ int zconfget_leng (void) { return zconfleng; } /** Get the current token. * */ char *zconfget_text (void) { return zconftext; } /** Set the current line number. * @param line_number * */ void zconfset_lineno (int line_number ) { zconflineno = line_number; } /** Set the input stream. This does not discard the current * input buffer. * @param in_str A readable stream. * * @see zconf_switch_to_buffer */ void zconfset_in (FILE * in_str ) { zconfin = in_str ; } void zconfset_out (FILE * out_str ) { zconfout = out_str ; } int zconfget_debug (void) { return zconf_flex_debug; } void zconfset_debug (int bdebug ) { zconf_flex_debug = bdebug ; } static int yy_init_globals (void) { /* Initialization is the same as for the non-reentrant scanner. * This function is called from zconflex_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 zconfin = stdin; zconfout = stdout; #else zconfin = (FILE *) 0; zconfout = (FILE *) 0; #endif /* For future reference: Set errno on error, since we are called by * zconflex_init() */ return 0; } /* zconflex_destroy is for both reentrant and non-reentrant scanners. */ int zconflex_destroy (void) { /* Pop the buffer stack, destroying each element. */ while(YY_CURRENT_BUFFER){ zconf_delete_buffer(YY_CURRENT_BUFFER ); YY_CURRENT_BUFFER_LVALUE = NULL; zconfpop_buffer_state(); } /* Destroy the stack itself. */ zconffree((yy_buffer_stack) ); (yy_buffer_stack) = NULL; /* Reset the globals. This is important in a non-reentrant scanner so the next time * zconflex() 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 *zconfalloc (yy_size_t size ) { return (void *) malloc( size ); } void *zconfrealloc (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 zconffree (void * ptr ) { free( (char *) ptr ); /* see zconfrealloc() for (char *) cast */ } #define YYTABLES_NAME "yytables" void zconf_starthelp(void) { new_string(); last_ts = first_ts = 0; BEGIN(HELP); } static void zconf_endhelp(void) { zconflval.string = text; BEGIN(INITIAL); } /* * Try to open specified file with following names: * ./name * $(srctree)/name * The latter is used when srctree is separate from objtree * when compiling the kernel. * Return NULL if file is not found. */ FILE *zconf_fopen(const char *name) { char *env, fullname[PATH_MAX+1]; FILE *f; f = fopen(name, "r"); if (!f && name != NULL && name[0] != '/') { env = getenv(SRCTREE); if (env) { sprintf(fullname, "%s/%s", env, name); f = fopen(fullname, "r"); } } return f; } void zconf_initscan(const char *name) { zconfin = zconf_fopen(name); if (!zconfin) { printf("can't find file %s\n", name); exit(1); } current_buf = xmalloc(sizeof(*current_buf)); memset(current_buf, 0, sizeof(*current_buf)); current_file = file_lookup(name); current_file->lineno = 1; } void zconf_nextfile(const char *name) { struct file *iter; struct file *file = file_lookup(name); struct buffer *buf = xmalloc(sizeof(*buf)); memset(buf, 0, sizeof(*buf)); current_buf->state = YY_CURRENT_BUFFER; zconfin = zconf_fopen(file->name); if (!zconfin) { printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), file->name); exit(1); } zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE)); buf->parent = current_buf; current_buf = buf; for (iter = current_file->parent; iter; iter = iter->parent ) { if (!strcmp(current_file->name,iter->name) ) { printf("%s:%d: recursive inclusion detected. " "Inclusion path:\n current file : '%s'\n", zconf_curname(), zconf_lineno(), zconf_curname()); iter = current_file->parent; while (iter && \ strcmp(iter->name,current_file->name)) { printf(" included from: '%s:%d'\n", iter->name, iter->lineno-1); iter = iter->parent; } if (iter) printf(" included from: '%s:%d'\n", iter->name, iter->lineno+1); exit(1); } } file->lineno = 1; file->parent = current_file; current_file = file; } static void zconf_endfile(void) { struct buffer *parent; current_file = current_file->parent; parent = current_buf->parent; if (parent) { fclose(zconfin); zconf_delete_buffer(YY_CURRENT_BUFFER); zconf_switch_to_buffer(parent->state); } free(current_buf); current_buf = parent; } int zconf_lineno(void) { return current_pos.lineno; } const char *zconf_curname(void) { return current_pos.file ? current_pos.file->name : "<none>"; }