📄 lex.c
字号:
#line 3 "lex.c"#define YY_INT_ALIGNED short int/* A lexical scanner generated by flex */#define FLEX_SCANNER#define YY_FLEX_MAJOR_VERSION 2#define YY_FLEX_MINOR_VERSION 5#define YY_FLEX_SUBMINOR_VERSION 33#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 __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;#elsetypedef signed char flex_int8_t;typedef short int flex_int16_t;typedef int flex_int32_t;typedef unsigned char flex_uint8_t; typedef unsigned short int flex_uint16_t;typedef unsigned int flex_uint32_t;#endif /* ! C99 *//* Limits of integral types. */#ifndef INT8_MIN#define INT8_MIN (-128)#endif#ifndef INT16_MIN#define INT16_MIN (-32767-1)#endif#ifndef INT32_MIN#define INT32_MIN (-2147483647-1)#endif#ifndef INT8_MAX#define INT8_MAX (127)#endif#ifndef INT16_MAX#define INT16_MAX (32767)#endif#ifndef INT32_MAX#define INT32_MAX (2147483647)#endif#ifndef UINT8_MAX#define UINT8_MAX (255U)#endif#ifndef UINT16_MAX#define UINT16_MAX (65535U)#endif#ifndef UINT32_MAX#define UINT32_MAX (4294967295U)#endif#endif /* ! FLEXINT_H */#ifdef __cplusplus/* The "const" storage-class-modifier is valid. */#define YY_USE_CONST#else /* ! __cplusplus */#if __STDC__#define YY_USE_CONST#endif /* __STDC__ */#endif /* ! __cplusplus */#ifdef YY_USE_CONST#define yyconst const#else#define yyconst#endif/* Returned upon end-of-file. */#define YY_NULL 0/* Promotes a possibly negative, possibly signed char to an unsigned * integer for use as an array index. If the signed char is negative, * we want to instead treat it as an 8-bit unsigned char, hence the * double cast. */#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)/* Enter a start condition. This macro really ought to take a parameter, * but we do it the disgusting crufty way forced on us by the ()-less * definition of BEGIN. */#define BEGIN (yy_start) = 1 + 2 */* Translate the current start state into a value that can be later handed * to BEGIN to return to the state. The YYSTATE alias is for lex * compatibility. */#define YY_START (((yy_start) - 1) / 2)#define YYSTATE YY_START/* Action number for EOF rule of a given start state. */#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)/* Special action meaning "start processing a new file". */#define YY_NEW_FILE yyrestart(yyin )#define YY_END_OF_BUFFER_CHAR 0/* Size of default input buffer. */#ifndef YY_BUF_SIZE#define YY_BUF_SIZE 16384#endif/* The state buf must be large enough to hold one state per character in the main buffer. */#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))#ifndef YY_TYPEDEF_YY_BUFFER_STATE#define YY_TYPEDEF_YY_BUFFER_STATEtypedef struct yy_buffer_state *YY_BUFFER_STATE;#endifextern int yyleng;extern FILE *yyin, *yyout;#define EOB_ACT_CONTINUE_SCAN 0#define EOB_ACT_END_OF_FILE 1#define EOB_ACT_LAST_MATCH 2 #define YY_LESS_LINENO(n) /* Return all but the first "n" matched characters back to the input stream. */#define yyless(n) \ do \ { \ /* Undo effects of setting up yytext. */ \ int yyless_macro_arg = (n); \ YY_LESS_LINENO(yyless_macro_arg);\ *yy_cp = (yy_hold_char); \ YY_RESTORE_YY_MORE_OFFSET \ (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ YY_DO_BEFORE_ACTION; /* set up yytext again */ \ } \ while ( 0 )#define unput(c) yyunput( c, (yytext_ptr) )/* 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). */#ifndef YY_TYPEDEF_YY_SIZE_T#define YY_TYPEDEF_YY_SIZE_Ttypedef unsigned int yy_size_t;#endif#ifndef YY_STRUCT_YY_BUFFER_STATE#define YY_STRUCT_YY_BUFFER_STATEstruct 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 yyrestart()), so that the user can continue scanning by * just pointing yyin at a new input file. */#define YY_BUFFER_EOF_PENDING 2 };#endif /* !YY_STRUCT_YY_BUFFER_STATE *//* Stack of input buffers. */static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. *//* We provide macros for accessing buffer states in case in the * future we want to put the buffer states in a more general * "scanner state". * * Returns the top of the stack, or NULL. */#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ : NULL)/* Same as previous macro, but useful when we know that the buffer stack is not * NULL or when we need an lvalue. For internal use only. */#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]/* yy_hold_char holds the character lost when yytext is formed. */static char yy_hold_char;static int yy_n_chars; /* number of characters read into yy_ch_buf */int yyleng;/* Points to current character in buffer. */static char *yy_c_buf_p = (char *) 0;static int yy_init = 0; /* whether we need to initialize */static int yy_start = 0; /* start state number *//* Flag which is used to allow yywrap()'s to do buffer switches * instead of setting up a fresh yyin. A bit of a hack ... */static int yy_did_buffer_switch_on_eof;void yyrestart (FILE *input_file );void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer );YY_BUFFER_STATE yy_create_buffer (FILE *file,int size );void yy_delete_buffer (YY_BUFFER_STATE b );void yy_flush_buffer (YY_BUFFER_STATE b );void yypush_buffer_state (YY_BUFFER_STATE new_buffer );void yypop_buffer_state (void );static void yyensure_buffer_stack (void );static void yy_load_buffer_state (void );static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file );#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size );YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str );YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len );void *yyalloc (yy_size_t );void *yyrealloc (void *,yy_size_t );void yyfree (void * );#define yy_new_buffer yy_create_buffer#define yy_set_interactive(is_interactive) \ { \ if ( ! YY_CURRENT_BUFFER ){ \ yyensure_buffer_stack (); \ YY_CURRENT_BUFFER_LVALUE = \ yy_create_buffer(yyin,YY_BUF_SIZE ); \ } \ YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ }#define yy_set_bol(at_bol) \ { \ if ( ! YY_CURRENT_BUFFER ){\ yyensure_buffer_stack (); \ YY_CURRENT_BUFFER_LVALUE = \ yy_create_buffer(yyin,YY_BUF_SIZE ); \ } \ YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ }#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)/* Begin user sect3 */typedef unsigned char YY_CHAR;FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;typedef int yy_state_type;extern int yylineno;int yylineno = 1;extern char *yytext;#define yytext_ptr yytextstatic yy_state_type yy_get_previous_state (void );static yy_state_type yy_try_NUL_trans (yy_state_type current_state );static int yy_get_next_buffer (void );static void yy_fatal_error (yyconst char msg[] );/* Done after the current pattern has been matched and before the * corresponding action - sets up yytext. */#define YY_DO_BEFORE_ACTION \ (yytext_ptr) = yy_bp; \ yyleng = (size_t) (yy_cp - yy_bp); \ (yy_hold_char) = *yy_cp; \ *yy_cp = '\0'; \ (yy_c_buf_p) = yy_cp;#define YY_NUM_RULES 16#define YY_END_OF_BUFFER 17/* 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[46] = { 0, 0, 0, 17, 15, 11, 12, 13, 10, 9, 14, 14, 14, 14, 10, 9, 14, 3, 14, 14, 1, 7, 14, 14, 8, 14, 14, 14, 14, 14, 14, 14, 6, 14, 14, 5, 14, 14, 14, 14, 14, 14, 4, 14, 2, 0 } ;static yyconst flex_int32_t yy_ec[256] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 4, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 8, 1, 9, 10, 11, 12, 13, 14, 7, 7, 15, 7, 7, 16, 7, 17, 18, 19, 7, 20, 7, 21, 7, 7, 7, 22, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 } ;static yyconst flex_int32_t yy_meta[23] = { 0, 1, 1, 2, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 } ;static yyconst flex_int16_t yy_base[48] = { 0, 0, 0, 56, 57, 57, 57, 57, 0, 49, 0, 12, 13, 34, 0, 47, 0, 0, 40, 31, 0, 0, 38, 36, 0, 30, 34, 32, 25, 22, 28, 34, 0, 19, 13, 0, 22, 30, 26, 26, 18, 12, 0, 14, 0, 57, 34, 23 } ;static yyconst flex_int16_t yy_def[48] = { 0, 45, 1, 45, 45, 45, 45, 45, 46, 47, 47, 47, 47, 47, 46, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 0, 45, 45 } ;static yyconst flex_int16_t yy_nxt[80] = { 0, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 10, 10, 11, 10, 12, 10, 10, 10, 13, 10, 10, 10, 17, 36, 21, 16, 44, 43, 18, 22, 42, 19, 20, 37, 14, 41, 14, 40, 39, 38, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 15, 23, 15, 45, 3, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45 } ;static yyconst flex_int16_t yy_chk[80] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 11, 34, 12, 47, 43, 41, 11, 12, 40, 11, 11, 34, 46, 39, 46, 38, 37, 36, 33, 31, 30, 29, 28, 27, 26, 25, 23, 22, 19, 18, 15, 13, 9, 3, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45 } ;static yy_state_type yy_last_accepting_state;static char *yy_last_accepting_cpos;extern int yy_flex_debug;int yy_flex_debug = 0;/* The intent behind this definition is that it'll catch * any uses of REJECT which flex missed. */#define REJECT reject_used_but_not_detected#define yymore() yymore_used_but_not_detected#define YY_MORE_ADJ 0#define YY_RESTORE_YY_MORE_OFFSETchar *yytext;#line 1 "lex.l"#line 2 "lex.l"/* * Copyright (c) 1998 - 2000 Kungliga Tekniska H鰃skolan
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -