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line_lexer.c
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line_lexer.c
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#line 2 "/home/zh/workspace/github/zhsh/line_lexer.c"
#line 4 "/home/zh/workspace/github/zhsh/line_lexer.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 39
#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)
/* An opaque pointer. */
#ifndef YY_TYPEDEF_YY_SCANNER_T
#define YY_TYPEDEF_YY_SCANNER_T
typedef void* yyscan_t;
#endif
/* For convenience, these vars (plus the bison vars far below)
are macros in the reentrant scanner. */
#define yyin yyg->yyin_r
#define yyout yyg->yyout_r
#define yyextra yyg->yyextra_r
#define yyleng yyg->yyleng_r
#define yytext yyg->yytext_r
#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
#define yy_flex_debug yyg->yy_flex_debug_r
/* 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 yyg->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 ((yyg->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 ,yyscanner )
#define YY_END_OF_BUFFER_CHAR 0
/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#define YY_BUF_SIZE 16384
#endif
/* The state buf must be large enough to hold one state per character in the main buffer.
*/
#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
#endif
#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef size_t yy_size_t;
#endif
#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
#define YY_LESS_LINENO(n)
#define YY_LINENO_REWIND_TO(ptr)
/* 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 = yyg->yy_hold_char; \
YY_RESTORE_YY_MORE_OFFSET \
yyg->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, yyg->yytext_ptr , yyscanner )
#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
struct yy_buffer_state
{
FILE *yy_input_file;
char *yy_ch_buf; /* input buffer */
char *yy_buf_pos; /* current position in input buffer */
/* Size of input buffer in bytes, not including room for EOB
* characters.
*/
yy_size_t yy_buf_size;
/* Number of characters read into yy_ch_buf, not including EOB
* characters.
*/
yy_size_t yy_n_chars;
/* Whether we "own" the buffer - i.e., we know we created it,
* and can realloc() it to grow it, and should free() it to
* delete it.
*/
int yy_is_our_buffer;
/* Whether this is an "interactive" input source; if so, and
* if we're using stdio for input, then we want to use getc()
* instead of fread(), to make sure we stop fetching input after
* each newline.
*/
int yy_is_interactive;
/* Whether we're considered to be at the beginning of a line.
* If so, '^' rules will be active on the next match, otherwise
* not.
*/
int yy_at_bol;
int yy_bs_lineno; /**< The line count. */
int yy_bs_column; /**< The column count. */
/* Whether to try to fill the input buffer when we reach the
* end of it.
*/
int yy_fill_buffer;
int yy_buffer_status;
#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
/* When an EOF's been seen but there's still some text to process
* then we mark the buffer as YY_EOF_PENDING, to indicate that we
* shouldn't try reading from the input source any more. We might
* still have a bunch of tokens to match, though, because of
* possible backing-up.
*
* When we actually see the EOF, we change the status to "new"
* (via yyrestart()), so that the user can continue scanning by
* just pointing yyin at a new input file.
*/
#define YY_BUFFER_EOF_PENDING 2
};
#endif /* !YY_STRUCT_YY_BUFFER_STATE */
/* 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 ( yyg->yy_buffer_stack \
? yyg->yy_buffer_stack[yyg->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 yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
void yyrestart (FILE *input_file ,yyscan_t yyscanner );
void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner );
void yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
void yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
void yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
void yypop_buffer_state (yyscan_t yyscanner );
static void yyensure_buffer_stack (yyscan_t yyscanner );
static void yy_load_buffer_state (yyscan_t yyscanner );
static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );
#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,yy_size_t len ,yyscan_t yyscanner );
void *yyalloc (yy_size_t ,yyscan_t yyscanner );
void *yyrealloc (void *,yy_size_t ,yyscan_t yyscanner );
void yyfree (void * ,yyscan_t yyscanner );
#define yy_new_buffer yy_create_buffer
#define yy_set_interactive(is_interactive) \
{ \
if ( ! YY_CURRENT_BUFFER ){ \
yyensure_buffer_stack (yyscanner); \
YY_CURRENT_BUFFER_LVALUE = \
yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
} \
YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
}
#define yy_set_bol(at_bol) \
{ \
if ( ! YY_CURRENT_BUFFER ){\
yyensure_buffer_stack (yyscanner); \
YY_CURRENT_BUFFER_LVALUE = \
yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
} \
YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
}
#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
/* Begin user sect3 */
#define yywrap(yyscanner) 1
#define YY_SKIP_YYWRAP
typedef unsigned char YY_CHAR;
typedef int yy_state_type;
#define yytext_ptr yytext_r
static yy_state_type yy_get_previous_state (yyscan_t yyscanner );
static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner);
static int yy_get_next_buffer (yyscan_t yyscanner );
static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );
/* Done after the current pattern has been matched and before the
* corresponding action - sets up yytext.
*/
#define YY_DO_BEFORE_ACTION \
yyg->yytext_ptr = yy_bp; \
yyg->yytext_ptr -= yyg->yy_more_len; \
yyleng = (size_t) (yy_cp - yyg->yytext_ptr); \
yyg->yy_hold_char = *yy_cp; \
*yy_cp = '\0'; \
yyg->yy_c_buf_p = yy_cp;
#define YY_NUM_RULES 26
#define YY_END_OF_BUFFER 27
/* 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[40] =
{ 0,
0, 0, 0, 0, 0, 0, 0, 0, 27, 25,
1, 26, 22, 13, 19, 25, 16, 2, 4, 17,
12, 18, 21, 20, 24, 23, 17, 15, 0, 7,
9, 3, 5, 6, 14, 8, 10, 11, 0
} ;
static yyconst flex_int32_t yy_ec[256] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 1, 4, 1, 1, 1, 5, 6, 1,
1, 1, 1, 1, 1, 1, 1, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 1, 8, 9,
1, 10, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 11, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 12, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 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[13] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1
} ;
static yyconst flex_int16_t yy_base[43] =
{ 0,
0, 0, 25, 24, 10, 14, 18, 27, 26, 55,
55, 55, 55, 20, 55, 32, 55, 19, 38, 55,
11, 55, 55, 55, 55, 55, 55, 55, 0, 14,
44, 55, 55, 55, 55, 55, 55, 55, 55, 17,
14, 13
} ;
static yyconst flex_int16_t yy_def[43] =
{ 0,
39, 1, 40, 40, 41, 41, 42, 42, 39, 39,
39, 39, 39, 39, 39, 39, 39, 39, 39, 39,
39, 39, 39, 39, 39, 39, 39, 39, 16, 39,
39, 39, 39, 39, 39, 39, 39, 39, 0, 39,
39, 39
} ;
static yyconst flex_int16_t yy_nxt[68] =
{ 0,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 12, 25, 23, 24, 12, 22, 36, 24,
12, 26, 35, 32, 28, 39, 12, 12, 27, 12,
26, 39, 39, 39, 39, 39, 39, 27, 29, 39,
30, 31, 33, 39, 39, 39, 39, 34, 37, 39,
39, 39, 39, 38, 9, 39, 39, 39, 39, 39,
39, 39, 39, 39, 39, 39, 39
} ;
static yyconst flex_int16_t yy_chk[68] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 5, 42, 41, 5, 6, 40, 30, 6,
7, 7, 21, 18, 14, 9, 4, 3, 7, 8,
8, 0, 0, 0, 0, 0, 0, 8, 16, 0,
16, 16, 19, 0, 0, 0, 0, 19, 31, 0,
0, 0, 0, 31, 39, 39, 39, 39, 39, 39,
39, 39, 39, 39, 39, 39, 39
} ;
/* 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() (yyg->yy_more_flag = 1)
#define YY_MORE_ADJ yyg->yy_more_len
#define YY_RESTORE_YY_MORE_OFFSET
#line 1 "line_lexer.l"
#line 2 "line_lexer.l"
#include <stdbool.h>
#include "line_parser.h"
#define finish_last_token(last_token_type, token_length) \
do { \
if (yyleng > token_length) { \
yyless(yyleng - token_length); \
return last_token_type; \
} \
} while (false)
#define finish_last_token_or_return(last_token_type, token_length, token_type) \
do { \
if (yyleng > token_length) { \
yyless(yyleng - token_length); \
return last_token_type; \
} else { \
return token_type; \
} \
} while (false)
#define finish_last_token_or_terminate(last_token_type, token_length) \
do { \
if (yyleng > token_length) { \
yyless(yyleng - token_length); \
return last_token_type; \
} else { \
yyterminate(); \
} \
} while (false)
#line 493 "/home/zh/workspace/github/zhsh/line_lexer.c"
#define INITIAL 0
#define ESCAPED 1
#define SINGLE_QUOTED 2
#define DOUBLE_QUOTED 3
#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
/* Holds the entire state of the reentrant scanner. */
struct yyguts_t
{
/* User-defined. Not touched by flex. */
YY_EXTRA_TYPE yyextra_r;
/* The rest are the same as the globals declared in the non-reentrant scanner. */
FILE *yyin_r, *yyout_r;
size_t yy_buffer_stack_top; /**< index of top of stack. */
size_t yy_buffer_stack_max; /**< capacity of stack. */
YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */
char yy_hold_char;
yy_size_t yy_n_chars;
yy_size_t yyleng_r;
char *yy_c_buf_p;
int yy_init;
int yy_start;
int yy_did_buffer_switch_on_eof;
int yy_start_stack_ptr;
int yy_start_stack_depth;
int *yy_start_stack;
yy_state_type yy_last_accepting_state;
char* yy_last_accepting_cpos;
int yylineno_r;
int yy_flex_debug_r;
char *yytext_r;
int yy_more_flag;
int yy_more_len;
}; /* end struct yyguts_t */
static int yy_init_globals (yyscan_t yyscanner );
int yylex_init (yyscan_t* scanner);
int yylex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);
/* Accessor methods to globals.
These are made visible to non-reentrant scanners for convenience. */
int yylex_destroy (yyscan_t yyscanner );
int yyget_debug (yyscan_t yyscanner );
void yyset_debug (int debug_flag ,yyscan_t yyscanner );
YY_EXTRA_TYPE yyget_extra (yyscan_t yyscanner );
void yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
FILE *yyget_in (yyscan_t yyscanner );
void yyset_in (FILE * in_str ,yyscan_t yyscanner );
FILE *yyget_out (yyscan_t yyscanner );
void yyset_out (FILE * out_str ,yyscan_t yyscanner );
yy_size_t yyget_leng (yyscan_t yyscanner );
char *yyget_text (yyscan_t yyscanner );
int yyget_lineno (yyscan_t yyscanner );
void yyset_lineno (int line_number ,yyscan_t yyscanner );
int yyget_column (yyscan_t yyscanner );
void yyset_column (int column_no ,yyscan_t yyscanner );
/* Macros after this point can all be overridden by user definitions in
* section 1.
*/
#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int yywrap (yyscan_t yyscanner );
#else
extern int yywrap (yyscan_t yyscanner );
#endif
#endif
static void yyunput (int c,char *buf_ptr ,yyscan_t yyscanner);
#ifndef yytext_ptr
static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
#endif
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);
#endif
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput (yyscan_t yyscanner );
#else
static int input (yyscan_t yyscanner );
#endif
#endif
static void yy_push_state (int new_state ,yyscan_t yyscanner);
static void yy_pop_state (yyscan_t yyscanner );
static int yy_top_state (yyscan_t yyscanner );
/* 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 do { if (fwrite( yytext, yyleng, 1, yyout )) {} } 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) \
if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
{ \
int c = '*'; \
size_t n; \
for ( n = 0; n < max_size && \
(c = getc( yyin )) != EOF && c != '\n'; ++n ) \
buf[n] = (char) c; \
if ( c == '\n' ) \
buf[n++] = (char) c; \
if ( c == EOF && ferror( yyin ) ) \
YY_FATAL_ERROR( "input in flex scanner failed" ); \
result = n; \
} \
else \
{ \
errno=0; \
while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
{ \
if( errno != EINTR) \
{ \
YY_FATAL_ERROR( "input in flex scanner failed" ); \
break; \
} \
errno=0; \
clearerr(yyin); \
} \
}\
\
#endif
/* No semi-colon after return; correct usage is to write "yyterminate();" -
* we don't want an extra ';' after the "return" because that will cause
* some compilers to complain about unreachable statements.
*/
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif
/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif
/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner)
#endif
/* end tables serialization structures and prototypes */
/* Default declaration of generated scanner - a define so the user can
* easily add parameters.
*/
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1
extern int yylex (yyscan_t yyscanner);
#define YY_DECL int yylex (yyscan_t yyscanner)
#endif /* !YY_DECL */
/* Code executed at the beginning of each rule, after yytext and yyleng
* have been set up.
*/
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif
/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK break;
#endif
#define YY_RULE_SETUP \
YY_USER_ACTION
/** The main scanner function which does all the work.
*/
YY_DECL
{
register yy_state_type yy_current_state;
register char *yy_cp, *yy_bp;
register int yy_act;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
if ( !yyg->yy_init )
{
yyg->yy_init = 1;
#ifdef YY_USER_INIT
YY_USER_INIT;
#endif
if ( ! yyg->yy_start )
yyg->yy_start = 1; /* first start state */
if ( ! yyin )
yyin = stdin;
if ( ! yyout )
yyout = stdout;
if ( ! YY_CURRENT_BUFFER ) {
yyensure_buffer_stack (yyscanner);
YY_CURRENT_BUFFER_LVALUE =
yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
}
yy_load_buffer_state(yyscanner );
}
{
#line 42 "line_lexer.l"
#line 757 "/home/zh/workspace/github/zhsh/line_lexer.c"
while ( 1 ) /* loops until end-of-file is reached */
{
yyg->yy_more_len = 0;
if ( yyg->yy_more_flag )
{
yyg->yy_more_len = yyg->yy_c_buf_p - yyg->yytext_ptr;
yyg->yy_more_flag = 0;
}
yy_cp = yyg->yy_c_buf_p;
/* Support of yytext. */
*yy_cp = yyg->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 = yyg->yy_start;
yy_match:
do
{
register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
if ( yy_accept[yy_current_state] )
{
yyg->yy_last_accepting_state = yy_current_state;
yyg->yy_last_accepting_cpos = yy_cp;
}
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 40 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
++yy_cp;
}
while ( yy_base[yy_current_state] != 55 );
yy_find_action:
yy_act = yy_accept[yy_current_state];
if ( yy_act == 0 )
{ /* have to back up */
yy_cp = yyg->yy_last_accepting_cpos;
yy_current_state = yyg->yy_last_accepting_state;
yy_act = yy_accept[yy_current_state];
}
YY_DO_BEFORE_ACTION;
do_action: /* This label is used only to access EOF actions. */
switch ( yy_act )
{ /* beginning of action switch */
case 0: /* must back up */
/* undo the effects of YY_DO_BEFORE_ACTION */
*yy_cp = yyg->yy_hold_char;
yy_cp = yyg->yy_last_accepting_cpos;
yy_current_state = yyg->yy_last_accepting_state;
goto yy_find_action;
case 1:
YY_RULE_SETUP
#line 44 "line_lexer.l"
{ finish_last_token(ARGUMENT, 1); }
YY_BREAK
case 2:
YY_RULE_SETUP
#line 46 "line_lexer.l"
{ finish_last_token_or_return(ARGUMENT, 1, REDIRECT_INPUT_FROM_FILE); }
YY_BREAK
case 3:
YY_RULE_SETUP
#line 47 "line_lexer.l"
{ finish_last_token_or_return(ARGUMENT, 2, REDIRECT_INPUT_FROM_FILE_DESCRIPTOR); }
YY_BREAK
case 4:
YY_RULE_SETUP
#line 48 "line_lexer.l"
{ finish_last_token_or_return(ARGUMENT, 1, REDIRECT_OUTPUT_TO_FILE); }
YY_BREAK
case 5:
YY_RULE_SETUP
#line 49 "line_lexer.l"
{ finish_last_token_or_return(ARGUMENT, 2, REDIRECT_OUTPUT_TO_FILE_DESCRIPTOR); }
YY_BREAK
case 6:
YY_RULE_SETUP
#line 50 "line_lexer.l"
{ finish_last_token_or_return(ARGUMENT, 2, REDIRECT_OUTPUT_APPEND_TO_FILE); }
YY_BREAK
case 7:
YY_RULE_SETUP
#line 51 "line_lexer.l"
{ return REDIRECT_INPUT_FROM_FILE; }
YY_BREAK
case 8:
YY_RULE_SETUP
#line 52 "line_lexer.l"
{ return REDIRECT_INPUT_FROM_FILE_DESCRIPTOR; }
YY_BREAK
case 9:
YY_RULE_SETUP
#line 53 "line_lexer.l"
{ return REDIRECT_OUTPUT_TO_FILE; }
YY_BREAK
case 10:
YY_RULE_SETUP
#line 54 "line_lexer.l"
{ return REDIRECT_OUTPUT_TO_FILE_DESCRIPTOR; }
YY_BREAK
case 11:
YY_RULE_SETUP
#line 55 "line_lexer.l"
{ return REDIRECT_OUTPUT_APPEND_TO_FILE; }
YY_BREAK
case 12:
YY_RULE_SETUP
#line 56 "line_lexer.l"
{ finish_last_token_or_return(ARGUMENT, 1, PIPE); }
YY_BREAK
case 13:
YY_RULE_SETUP
#line 57 "line_lexer.l"
{ finish_last_token_or_return(ARGUMENT, 1, BACKGROUND); }
YY_BREAK
case 14:
YY_RULE_SETUP
#line 58 "line_lexer.l"
{ finish_last_token_or_return(ARGUMENT, 2, OR); }
YY_BREAK
case 15:
YY_RULE_SETUP
#line 59 "line_lexer.l"
{ finish_last_token_or_return(ARGUMENT, 2, AND); }
YY_BREAK
case 16:
YY_RULE_SETUP
#line 60 "line_lexer.l"
{ finish_last_token_or_return(ARGUMENT, 1, SEMICOLON); }
YY_BREAK
case 17:
YY_RULE_SETUP
#line 62 "line_lexer.l"
{ yy_push_state(ESCAPED, yyscanner); yymore(); }
YY_BREAK
case 18:
YY_RULE_SETUP
#line 64 "line_lexer.l"
{ yy_pop_state(yyscanner); yymore(); }
YY_BREAK
case YY_STATE_EOF(ESCAPED):
#line 65 "line_lexer.l"
{ return -1; }
YY_BREAK
case 19:
YY_RULE_SETUP
#line 68 "line_lexer.l"
{ yy_push_state(SINGLE_QUOTED, yyscanner); yymore(); }
YY_BREAK
case 20:
YY_RULE_SETUP
#line 70 "line_lexer.l"
{ yy_pop_state(yyscanner); yymore(); }
YY_BREAK
case 21:
YY_RULE_SETUP
#line 71 "line_lexer.l"
{ yymore(); }
YY_BREAK
case YY_STATE_EOF(SINGLE_QUOTED):
#line 72 "line_lexer.l"
{ return -1; }
YY_BREAK
case 22:
YY_RULE_SETUP
#line 75 "line_lexer.l"
{ yy_push_state(DOUBLE_QUOTED, yyscanner); yymore(); }
YY_BREAK
case 23:
YY_RULE_SETUP
#line 77 "line_lexer.l"
{ yy_pop_state(yyscanner); yymore(); }
YY_BREAK
case 24:
YY_RULE_SETUP
#line 78 "line_lexer.l"
{ yymore(); }
YY_BREAK
case YY_STATE_EOF(DOUBLE_QUOTED):
#line 79 "line_lexer.l"
{ return -1; }
YY_BREAK
case 25:
YY_RULE_SETUP
#line 82 "line_lexer.l"
{ yymore(); }
YY_BREAK
case YY_STATE_EOF(INITIAL):
#line 84 "line_lexer.l"
{
finish_last_token_or_terminate(ARGUMENT, 1);
}
YY_BREAK
case 26:
YY_RULE_SETUP
#line 88 "line_lexer.l"
ECHO;
YY_BREAK
#line 974 "/home/zh/workspace/github/zhsh/line_lexer.c"
case YY_END_OF_BUFFER:
{
/* Amount of text matched not including the EOB char. */
int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1;
/* Undo the effects of YY_DO_BEFORE_ACTION. */
*yy_cp = yyg->yy_hold_char;
YY_RESTORE_YY_MORE_OFFSET
if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
{
/* We're scanning a new file or input source. It's
* possible that this happened because the user
* just pointed yyin at a new source and called
* yylex(). If so, then we have to assure
* consistency between YY_CURRENT_BUFFER and our
* globals. Here is the right place to do so, because
* this is the first action (other than possibly a
* back-up) that will match for the new input source.
*/
yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
}
/* Note that here we test for yy_c_buf_p "<=" to the position