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PW6_SysYF/src/Frontend/SysYFScanner.cpp

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#line 2 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/build/SysYFScanner.cpp"
#line 4 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/build/SysYFScanner.cpp"
#define YY_INT_ALIGNED short int
/* A lexical scanner generated by flex */
/* %not-for-header */
/* %if-c-only */
/* %if-not-reentrant */
/* %endif */
/* %endif */
/* %ok-for-header */
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 6
#define YY_FLEX_SUBMINOR_VERSION 0
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif
/* %if-c++-only */
/* The c++ scanner is a mess. The FlexLexer.h header file relies on the
* following macro. This is required in order to pass the c++-multiple-scanners
* test in the regression suite. We get reports that it breaks inheritance.
* We will address this in a future release of flex, or omit the C++ scanner
* altogether.
*/
#define yyFlexLexer yyFlexLexer
/* %endif */
/* %if-c-only */
/* %endif */
/* %if-c-only */
/* %endif */
/* First, we deal with platform-specific or compiler-specific issues. */
/* begin standard C headers. */
/* %if-c-only */
/* %endif */
/* %if-tables-serialization */
/* %endif */
/* end standard C headers. */
/* %if-c-or-c++ */
/* 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 */
/* %endif */
/* %if-c++-only */
/* begin standard C++ headers. */
#include <iostream>
#include <errno.h>
#include <cstdlib>
#include <cstdio>
#include <cstring>
/* end standard C++ headers. */
/* %endif */
#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
/* %not-for-header */
/* Returned upon end-of-file. */
#define YY_NULL 0
/* %ok-for-header */
/* %not-for-header */
/* 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)
/* %ok-for-header */
/* %if-reentrant */
/* %endif */
/* %if-not-reentrant */
/* %endif */
/* 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
#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
#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef size_t yy_size_t;
#endif
/* %if-not-reentrant */
extern yy_size_t yyleng;
/* %endif */
/* %if-c-only */
/* %if-not-reentrant */
/* %endif */
/* %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 = (yy_hold_char); \
YY_RESTORE_YY_MORE_OFFSET \
(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
YY_DO_BEFORE_ACTION; /* set up yytext again */ \
} \
while ( 0 )
#define unput(c) yyunput( c, (yytext_ptr) )
#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
struct yy_buffer_state
{
/* %if-c-only */
/* %endif */
/* %if-c++-only */
std::streambuf* yy_input_file;
/* %endif */
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 */
/* %if-c-only Standard (non-C++) definition */
/* %not-for-header */
/* %if-not-reentrant */
/* %endif */
/* %ok-for-header */
/* %endif */
/* 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)]
/* %if-c-only Standard (non-C++) definition */
/* %if-not-reentrant */
/* %not-for-header */
/* %ok-for-header */
/* %endif */
/* %endif */
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)
/* %% [1.0] yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here */
/* Begin user sect3 */
#define YY_SKIP_YYWRAP
#define FLEX_DEBUG
typedef unsigned char YY_CHAR;
#define yytext_ptr yytext
#include <FlexLexer.h>
int yyFlexLexer::yywrap() { return 1; }
/* %% [1.5] DFA */
/* %if-c-only Standard (non-C++) definition */
/* %endif */
/* 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; \
/* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
yyleng = (size_t) (yy_cp - yy_bp); \
(yy_hold_char) = *yy_cp; \
*yy_cp = '\0'; \
/* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
(yy_c_buf_p) = yy_cp;
/* %% [4.0] data tables for the DFA and the user's section 1 definitions go here */
#define YY_NUM_RULES 45
#define YY_END_OF_BUFFER 46
/* 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[113] =
{ 0,
0, 0, 46, 44, 35, 36, 17, 24, 44, 28,
29, 22, 20, 27, 21, 44, 23, 41, 39, 26,
11, 25, 13, 42, 30, 31, 42, 42, 42, 42,
42, 42, 42, 42, 32, 44, 33, 35, 36, 16,
18, 43, 0, 0, 43, 41, 0, 0, 0, 39,
12, 15, 14, 42, 0, 0, 34, 42, 42, 42,
42, 9, 42, 42, 42, 42, 19, 0, 0, 0,
0, 0, 38, 0, 43, 40, 0, 0, 42, 42,
42, 42, 2, 42, 42, 42, 0, 43, 37, 0,
0, 0, 0, 42, 42, 42, 10, 42, 42, 4,
42, 6, 5, 42, 1, 42, 8, 42, 3, 42,
7, 0
} ;
static yyconst YY_CHAR yy_ec[256] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
1, 1, 4, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 5, 1, 1, 1, 6, 7, 1, 8,
9, 10, 11, 12, 13, 14, 15, 16, 17, 17,
17, 17, 17, 17, 17, 18, 18, 1, 19, 20,
21, 22, 1, 1, 23, 23, 23, 23, 24, 23,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 26, 25, 25,
27, 1, 28, 1, 25, 1, 29, 30, 31, 32,
33, 34, 25, 35, 36, 25, 37, 38, 25, 39,
40, 25, 25, 41, 42, 43, 44, 45, 46, 26,
25, 25, 47, 48, 49, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 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 YY_CHAR yy_meta[50] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 2, 2, 2, 1, 1,
1, 1, 2, 2, 3, 3, 1, 1, 2, 2,
2, 2, 2, 2, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 1, 1, 1
} ;
static yyconst flex_uint16_t yy_base[121] =
{ 0,
0, 0, 222, 223, 48, 218, 199, 223, 212, 223,
223, 223, 223, 223, 223, 37, 41, 43, 48, 223,
197, 196, 195, 0, 71, 223, 174, 174, 175, 174,
24, 178, 170, 174, 223, 160, 223, 66, 204, 223,
223, 61, 72, 80, 72, 84, 95, 105, 0, 113,
223, 223, 223, 0, 130, 82, 223, 173, 166, 162,
163, 0, 159, 158, 164, 163, 223, 125, 100, 110,
125, 100, 223, 131, 134, 0, 129, 103, 169, 111,
164, 167, 0, 151, 162, 155, 139, 143, 223, 152,
153, 154, 162, 155, 148, 154, 0, 83, 83, 0,
81, 0, 0, 56, 0, 54, 0, 47, 0, 47,
0, 223, 168, 171, 174, 69, 177, 180, 183, 186
} ;
static yyconst flex_int16_t yy_def[121] =
{ 0,
112, 1, 112, 112, 112, 112, 112, 112, 112, 112,
112, 112, 112, 112, 112, 112, 112, 112, 112, 112,
112, 112, 112, 113, 112, 112, 113, 113, 113, 113,
113, 113, 113, 113, 112, 112, 112, 112, 112, 112,
112, 112, 114, 115, 112, 112, 112, 112, 116, 112,
112, 112, 112, 113, 112, 112, 112, 113, 113, 113,
113, 113, 113, 113, 113, 113, 112, 112, 114, 117,
114, 115, 112, 112, 112, 116, 118, 119, 113, 113,
113, 113, 113, 113, 113, 113, 112, 112, 112, 118,
120, 118, 119, 113, 113, 113, 113, 113, 113, 113,
113, 113, 113, 113, 113, 113, 113, 113, 113, 113,
113, 0, 112, 112, 112, 112, 112, 112, 112, 112
} ;
static yyconst flex_uint16_t yy_nxt[273] =
{ 0,
4, 5, 6, 5, 7, 8, 9, 10, 11, 12,
13, 14, 15, 16, 17, 18, 19, 19, 20, 21,
22, 23, 24, 24, 24, 24, 25, 26, 24, 27,
28, 24, 29, 30, 24, 31, 24, 24, 24, 24,
32, 24, 24, 24, 33, 34, 35, 36, 37, 38,
43, 38, 42, 42, 42, 44, 45, 62, 46, 46,
47, 45, 63, 50, 50, 50, 48, 38, 49, 38,
76, 48, 55, 55, 55, 48, 42, 42, 42, 111,
48, 70, 73, 73, 68, 56, 71, 42, 42, 42,
110, 77, 109, 68, 108, 68, 78, 45, 57, 46,
46, 47, 73, 73, 68, 55, 55, 48, 45, 70,
47, 47, 47, 107, 71, 74, 48, 74, 48, 70,
75, 75, 75, 106, 89, 105, 45, 48, 50, 50,
50, 55, 55, 55, 70, 87, 48, 87, 91, 71,
88, 88, 88, 92, 56, 48, 75, 75, 75, 75,
75, 75, 95, 96, 88, 88, 88, 57, 88, 88,
88, 91, 91, 91, 55, 55, 92, 55, 92, 54,
54, 69, 69, 69, 72, 72, 72, 71, 71, 71,
90, 90, 90, 93, 93, 93, 92, 92, 92, 104,
103, 102, 101, 100, 99, 98, 97, 94, 86, 85,
84, 83, 82, 81, 80, 79, 39, 67, 66, 65,
64, 61, 60, 59, 58, 53, 52, 51, 41, 40,
39, 112, 3, 112, 112, 112, 112, 112, 112, 112,
112, 112, 112, 112, 112, 112, 112, 112, 112, 112,
112, 112, 112, 112, 112, 112, 112, 112, 112, 112,
112, 112, 112, 112, 112, 112, 112, 112, 112, 112,
112, 112, 112, 112, 112, 112, 112, 112, 112, 112,
112, 112
} ;
static yyconst flex_int16_t yy_chk[273] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 5,
17, 5, 16, 16, 16, 17, 18, 31, 18, 18,
18, 19, 31, 19, 19, 19, 18, 38, 18, 38,
116, 19, 25, 25, 25, 18, 42, 42, 42, 110,
19, 43, 44, 44, 42, 25, 43, 45, 45, 45,
108, 56, 106, 42, 104, 45, 56, 46, 25, 46,
46, 46, 72, 72, 45, 78, 78, 46, 47, 69,
47, 47, 47, 101, 69, 48, 46, 48, 47, 70,
48, 48, 48, 99, 70, 98, 50, 47, 50, 50,
50, 55, 55, 55, 71, 68, 50, 68, 77, 71,
68, 68, 68, 77, 55, 50, 74, 74, 74, 75,
75, 75, 80, 80, 87, 87, 87, 55, 88, 88,
88, 90, 91, 92, 93, 93, 90, 91, 92, 113,
113, 114, 114, 114, 115, 115, 115, 117, 117, 117,
118, 118, 118, 119, 119, 119, 120, 120, 120, 96,
95, 94, 86, 85, 84, 82, 81, 79, 66, 65,
64, 63, 61, 60, 59, 58, 39, 36, 34, 33,
32, 30, 29, 28, 27, 23, 22, 21, 9, 7,
6, 3, 112, 112, 112, 112, 112, 112, 112, 112,
112, 112, 112, 112, 112, 112, 112, 112, 112, 112,
112, 112, 112, 112, 112, 112, 112, 112, 112, 112,
112, 112, 112, 112, 112, 112, 112, 112, 112, 112,
112, 112, 112, 112, 112, 112, 112, 112, 112, 112,
112, 112
} ;
static yyconst flex_int16_t yy_rule_linenum[45] =
{ 0,
131, 132, 133, 134, 135, 136, 137, 138, 139, 140,
142, 143, 144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159, 160, 161,
162, 163, 164, 167, 168, 169, 170, 173, 174, 182,
190, 198, 199, 201
} ;
/* 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
#line 1 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
#line 2 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
# include <cerrno>
# include <climits>
# include <cstdlib>
# include <cstring> // strerror
# include <string>
# include <algorithm>
# include <iostream>
# include <map>
std::map<char,int> ch2int = {
{'0',0},
{'1',1},
{'2',2},
{'3',3},
{'4',4},
{'5',5},
{'6',6},
{'7',7},
{'8',8},
{'9',9},
{'a',10},
{'b',11},
{'c',12},
{'d',13},
{'e',14},
{'f',15},
{'A',10},
{'B',11},
{'C',12},
{'D',13},
{'E',14},
{'F',15}
};
# include "SysYFDriver.h"
# include "SysYFParser.h"
# define RET_NOTYPE_TOKEN(name) \
auto mytoken = yy::SysYFParser::make_##name(loc);\
loc.step();\
return mytoken;
# define RET_TYPE_TOKEN(name, value) \
auto mytoken = yy::SysYFParser::make_##name(value, loc);\
loc.step();\
return mytoken;
#line 48 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
#if defined __clang__
# define CLANG_VERSION (__clang_major__ * 100 + __clang_minor__)
#endif
// Clang and ICC like to pretend they are GCC.
#if defined __GNUC__ && !defined __clang__ && !defined __ICC
# define GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
#endif
// Pacify warnings in yy_init_buffer (observed with Flex 2.6.4)
// and GCC 6.4.0, 7.3.0 with -O3.
#if defined GCC_VERSION && 600 <= GCC_VERSION
# pragma GCC diagnostic ignored "-Wnull-dereference"
#endif
// This code uses Flex's C backend, yet compiles it as C++.
// So expect warnings about C style casts and NULL.
#if defined CLANG_VERSION && 500 <= CLANG_VERSION
# pragma clang diagnostic ignored "-Wold-style-cast"
# pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"
#elif defined GCC_VERSION && 407 <= GCC_VERSION
# pragma GCC diagnostic ignored "-Wold-style-cast"
# pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
#endif
#define FLEX_VERSION (YY_FLEX_MAJOR_VERSION * 100 + YY_FLEX_MINOR_VERSION)
// Old versions of Flex (2.5.35) generate an incomplete documentation comment.
//
// In file included from src/scan-code-c.c:3:
// src/scan-code.c:2198:21: error: empty paragraph passed to '@param' command
// [-Werror,-Wdocumentation]
// * @param line_number
// ~~~~~~~~~~~~~~~~~^
// 1 error generated.
#if FLEX_VERSION < 206 && defined CLANG_VERSION
# pragma clang diagnostic ignored "-Wdocumentation"
#endif
// Old versions of Flex (2.5.35) use 'register'. Warnings introduced in
// GCC 7 and Clang 6.
#if FLEX_VERSION < 206
# if defined CLANG_VERSION && 600 <= CLANG_VERSION
# pragma clang diagnostic ignored "-Wdeprecated-register"
# elif defined GCC_VERSION && 700 <= GCC_VERSION
# pragma GCC diagnostic ignored "-Wregister"
# endif
#endif
#if FLEX_VERSION < 206
# if defined CLANG_VERSION
# pragma clang diagnostic ignored "-Wconversion"
# pragma clang diagnostic ignored "-Wdocumentation"
# pragma clang diagnostic ignored "-Wshorten-64-to-32"
# pragma clang diagnostic ignored "-Wsign-conversion"
# elif defined GCC_VERSION
# pragma GCC diagnostic ignored "-Wconversion"
# pragma GCC diagnostic ignored "-Wsign-conversion"
# endif
#endif
#define YY_NO_INPUT 1
#line 113 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
// Code run each time a pattern is matched.
# define YY_USER_ACTION loc.columns(yyleng);
/* Regex abbreviations: */
#line 712 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/build/SysYFScanner.cpp"
#define INITIAL 0
#ifndef YY_NO_UNISTD_H
/* Special case for "unistd.h", since it is non-ANSI. We include it way
* down here because we want the user's section 1 to have been scanned first.
* The user has a chance to override it with an option.
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
#include <unistd.h>
/* %endif */
#endif
#ifndef YY_EXTRA_TYPE
#define YY_EXTRA_TYPE void *
#endif
/* %if-c-only Reentrant structure and macros (non-C++). */
/* %if-reentrant */
/* %if-c-only */
/* %endif */
/* %if-reentrant */
/* %endif */
/* %endif End reentrant structures and macros. */
/* %if-bison-bridge */
/* %endif */
/* %not-for-header */
/* %ok-for-header */
/* %endif */
#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
/* %if-c-only Standard (non-C++) definition */
/* %not-for-header */
/* %ok-for-header */
/* %endif */
#endif
/* %if-c-only */
/* %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
/* %if-c-only Standard (non-C++) definition */
/* %endif */
/* %if-c++-only C++ definition */
#define ECHO LexerOutput( yytext, yyleng )
/* %endif */
#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) \
/* %% [5.0] fread()/read() definition of YY_INPUT goes here unless we're doing C++ \ */\
\
/* %if-c++-only C++ definition \ */\
if ( (int)(result = LexerInput( (char *) buf, max_size )) < 0 ) \
YY_FATAL_ERROR( "input in flex scanner failed" );
/* %endif */
#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
/* %if-c-only */
/* %endif */
/* %if-c++-only */
#define YY_FATAL_ERROR(msg) LexerError( msg )
/* %endif */
#endif
/* %if-tables-serialization structures and prototypes */
/* %not-for-header */
/* %ok-for-header */
/* %not-for-header */
/* %tables-yydmap generated elements */
/* %endif */
/* end tables serialization structures and prototypes */
/* %ok-for-header */
/* Default declaration of generated scanner - a define so the user can
* easily add parameters.
*/
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1
/* %if-c-only Standard (non-C++) definition */
/* %endif */
/* %if-c++-only C++ definition */
#define YY_DECL int yyFlexLexer::yylex()
/* %endif */
#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 /*LINTED*/break;
#endif
/* %% [6.0] YY_RULE_SETUP definition goes here */
#define YY_RULE_SETUP \
YY_USER_ACTION
/* %not-for-header */
/** The main scanner function which does all the work.
*/
YY_DECL
{
yy_state_type yy_current_state;
char *yy_cp, *yy_bp;
int yy_act;
if ( !(yy_init) )
{
(yy_init) = 1;
#ifdef YY_USER_INIT
YY_USER_INIT;
#endif
if ( ! (yy_start) )
(yy_start) = 1; /* first start state */
if ( ! yyin )
/* %if-c-only */
/* %endif */
/* %if-c++-only */
yyin.rdbuf(std::cin.rdbuf());
/* %endif */
if ( ! yyout )
/* %if-c-only */
/* %endif */
/* %if-c++-only */
yyout.rdbuf(std::cout.rdbuf());
/* %endif */
if ( ! YY_CURRENT_BUFFER ) {
yyensure_buffer_stack ();
YY_CURRENT_BUFFER_LVALUE =
yy_create_buffer( yyin, YY_BUF_SIZE );
}
yy_load_buffer_state( );
}
{
/* %% [7.0] user's declarations go here */
#line 129 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
/* keyword */
#line 912 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/build/SysYFScanner.cpp"
while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */
{
/* %% [8.0] yymore()-related code goes here */
yy_cp = (yy_c_buf_p);
/* Support of yytext. */
*yy_cp = (yy_hold_char);
/* yy_bp points to the position in yy_ch_buf of the start of
* the current run.
*/
yy_bp = yy_cp;
/* %% [9.0] code to set up and find next match goes here */
yy_current_state = (yy_start);
yy_match:
do
{
YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
if ( yy_accept[yy_current_state] )
{
(yy_last_accepting_state) = yy_current_state;
(yy_last_accepting_cpos) = yy_cp;
}
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 113 )
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_current_state != 112 );
yy_cp = (yy_last_accepting_cpos);
yy_current_state = (yy_last_accepting_state);
yy_find_action:
/* %% [10.0] code to find the action number goes here */
yy_act = yy_accept[yy_current_state];
YY_DO_BEFORE_ACTION;
/* %% [11.0] code for yylineno update goes here */
do_action: /* This label is used only to access EOF actions. */
/* %% [12.0] debug code goes here */
if ( yy_flex_debug )
{
if ( yy_act == 0 )
std::cerr << "--scanner backing up\n";
else if ( yy_act < 45 )
std::cerr << "--accepting rule at line " << yy_rule_linenum[yy_act] <<
"(\"" << yytext << "\")\n";
else if ( yy_act == 45 )
std::cerr << "--accepting default rule (\"" << yytext << "\")\n";
else if ( yy_act == 46 )
std::cerr << "--(end of buffer or a NUL)\n";
else
std::cerr << "--EOF (start condition " << YY_START << ")\n";
}
switch ( yy_act )
{ /* beginning of action switch */
/* %% [13.0] actions go here */
case 0: /* must back up */
/* undo the effects of YY_DO_BEFORE_ACTION */
*yy_cp = (yy_hold_char);
yy_cp = (yy_last_accepting_cpos);
yy_current_state = (yy_last_accepting_state);
goto yy_find_action;
case 1:
YY_RULE_SETUP
#line 131 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(FLOAT);}
YY_BREAK
case 2:
YY_RULE_SETUP
#line 132 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(INT);}
YY_BREAK
case 3:
YY_RULE_SETUP
#line 133 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(RETURN);}
YY_BREAK
case 4:
YY_RULE_SETUP
#line 134 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(VOID);}
YY_BREAK
case 5:
YY_RULE_SETUP
#line 135 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(CONST);}
YY_BREAK
case 6:
YY_RULE_SETUP
#line 136 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(BREAK);}
YY_BREAK
case 7:
YY_RULE_SETUP
#line 137 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(CONTINUE);}
YY_BREAK
case 8:
YY_RULE_SETUP
#line 138 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(WHILE);}
YY_BREAK
case 9:
YY_RULE_SETUP
#line 139 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(IF);}
YY_BREAK
case 10:
YY_RULE_SETUP
#line 140 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(ELSE);}
YY_BREAK
case 11:
YY_RULE_SETUP
#line 142 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(LT);}
YY_BREAK
case 12:
YY_RULE_SETUP
#line 143 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(LTE);}
YY_BREAK
case 13:
YY_RULE_SETUP
#line 144 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(GT);}
YY_BREAK
case 14:
YY_RULE_SETUP
#line 145 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(GTE);}
YY_BREAK
case 15:
YY_RULE_SETUP
#line 146 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(EQ);}
YY_BREAK
case 16:
YY_RULE_SETUP
#line 147 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(NEQ);}
YY_BREAK
case 17:
YY_RULE_SETUP
#line 148 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(NOT);}
YY_BREAK
case 18:
YY_RULE_SETUP
#line 149 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(LOGICAND);}
YY_BREAK
case 19:
YY_RULE_SETUP
#line 150 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(LOGICOR);}
YY_BREAK
case 20:
YY_RULE_SETUP
#line 151 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(PLUS);}
YY_BREAK
case 21:
YY_RULE_SETUP
#line 152 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(MINUS);}
YY_BREAK
case 22:
YY_RULE_SETUP
#line 153 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(MULTIPLY);}
YY_BREAK
case 23:
YY_RULE_SETUP
#line 154 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(DIVIDE);}
YY_BREAK
case 24:
YY_RULE_SETUP
#line 155 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(MODULO);}
YY_BREAK
case 25:
YY_RULE_SETUP
#line 156 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(ASSIGN);}
YY_BREAK
case 26:
YY_RULE_SETUP
#line 157 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(SEMICOLON);}
YY_BREAK
case 27:
YY_RULE_SETUP
#line 158 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(COMMA);}
YY_BREAK
case 28:
YY_RULE_SETUP
#line 159 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(LPARENTHESE);}
YY_BREAK
case 29:
YY_RULE_SETUP
#line 160 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(RPARENTHESE);}
YY_BREAK
case 30:
YY_RULE_SETUP
#line 161 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(LBRACKET);}
YY_BREAK
case 31:
YY_RULE_SETUP
#line 162 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(RBRACKET);}
YY_BREAK
case 32:
YY_RULE_SETUP
#line 163 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(LBRACE);}
YY_BREAK
case 33:
YY_RULE_SETUP
#line 164 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(RBRACE);}
YY_BREAK
case 34:
/* rule 34 can match eol */
YY_RULE_SETUP
#line 167 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(LRBRACKET);}
YY_BREAK
case 35:
YY_RULE_SETUP
#line 168 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{loc.step();}
YY_BREAK
case 36:
/* rule 36 can match eol */
YY_RULE_SETUP
#line 169 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{loc.lines(yyleng); loc.step();}
YY_BREAK
case 37:
/* rule 37 can match eol */
YY_RULE_SETUP
#line 170 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{std::string s = yytext;
size_t n = std::count(s.begin(), s.end(), '\n');
for (size_t i = 0; i < n; i++) loc.lines(1);}
YY_BREAK
case 38:
/* rule 38 can match eol */
YY_RULE_SETUP
#line 173 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{loc.lines(1);loc.step();}
YY_BREAK
case 39:
YY_RULE_SETUP
#line 174 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{std::string dec = yytext;
unsigned sum = 0;
int len = dec.size();
for(int i = 0;i < len;i++){
auto a = dec[i];
sum = sum * 10 + a - 48;
}
RET_TYPE_TOKEN(INTCONST, int(sum));}
YY_BREAK
case 40:
YY_RULE_SETUP
#line 182 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{std::string hex = yytext;
unsigned sum = 0;
int len = hex.size();
for(int i = 2;i < len;i++){
auto a = hex[i];
sum = sum * 16 + ch2int[a];
}
RET_TYPE_TOKEN(INTCONST, int(sum));}
YY_BREAK
case 41:
YY_RULE_SETUP
#line 190 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{std::string oct = yytext;
unsigned sum = 0;
int len = oct.size();
for(int i = 1;i < len;i++){
auto a = oct[i];
sum = sum * 8 + ch2int[a];
}
RET_TYPE_TOKEN(INTCONST, int(sum));}
YY_BREAK
case 42:
YY_RULE_SETUP
#line 198 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_TYPE_TOKEN(IDENTIFIER, yytext);}
YY_BREAK
case 43:
YY_RULE_SETUP
#line 199 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_TYPE_TOKEN(FLOATCONST, std::stod(yytext));}
YY_BREAK
case YY_STATE_EOF(INITIAL):
#line 200 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{RET_NOTYPE_TOKEN(END);}
YY_BREAK
case 44:
YY_RULE_SETUP
#line 201 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
{std::cout << "Error in scanner!" << '\n'; exit(1);}
YY_BREAK
case 45:
YY_RULE_SETUP
#line 202 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
ECHO;
YY_BREAK
#line 1243 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/build/SysYFScanner.cpp"
case YY_END_OF_BUFFER:
{
/* Amount of text matched not including the EOB char. */
int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
/* Undo the effects of YY_DO_BEFORE_ACTION. */
*yy_cp = (yy_hold_char);
YY_RESTORE_YY_MORE_OFFSET
if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
{
/* We're scanning a new file or input source. It's
* possible that this happened because the user
* just pointed yyin at a new source and called
* yylex(). If so, then we have to assure
* consistency between YY_CURRENT_BUFFER and our
* globals. Here is the right place to do so, because
* this is the first action (other than possibly a
* back-up) that will match for the new input source.
*/
(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
/* %if-c-only */
/* %endif */
/* %if-c++-only */
YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin.rdbuf();
/* %endif */
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
{
/* %% [14.0] code to do back-up for compressed tables and set up yy_cp goes here */
yy_cp = (yy_last_accepting_cpos);
yy_current_state = (yy_last_accepting_state);
goto yy_find_action;
}
}
else switch ( yy_get_next_buffer( ) )
{
case EOB_ACT_END_OF_FILE:
{
(yy_did_buffer_switch_on_eof) = 0;
if ( yywrap( ) )
{
/* Note: because we've taken care in
* yy_get_next_buffer() to have set up
* yytext, we can now set up
* yy_c_buf_p so that if some total
* hoser (like flex itself) wants to
* call the scanner after we return the
* YY_NULL, it'll still work - another
* YY_NULL will get returned.
*/
(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
yy_act = YY_STATE_EOF(YY_START);
goto do_action;
}
else
{
if ( ! (yy_did_buffer_switch_on_eof) )
YY_NEW_FILE;
}
break;
}
case EOB_ACT_CONTINUE_SCAN:
(yy_c_buf_p) =
(yytext_ptr) + yy_amount_of_matched_text;
yy_current_state = yy_get_previous_state( );
yy_cp = (yy_c_buf_p);
yy_bp = (yytext_ptr) + YY_MORE_ADJ;
goto yy_match;
case EOB_ACT_LAST_MATCH:
(yy_c_buf_p) =
&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
yy_current_state = yy_get_previous_state( );
yy_cp = (yy_c_buf_p);
yy_bp = (yytext_ptr) + YY_MORE_ADJ;
goto yy_find_action;
}
break;
}
default:
YY_FATAL_ERROR(
"fatal flex scanner internal error--no action found" );
} /* end of action switch */
} /* end of scanning one token */
} /* end of user's declarations */
} /* end of yylex */
/* %ok-for-header */
/* %if-c++-only */
/* %not-for-header */
/* The contents of this function are C++ specific, so the () macro is not used.
* This constructor simply maintains backward compatibility.
* DEPRECATED
*/
yyFlexLexer::yyFlexLexer( FLEX_STD istream* arg_yyin, FLEX_STD ostream* arg_yyout ):
yyin(arg_yyin ? arg_yyin->rdbuf() : std::cin.rdbuf()),
yyout(arg_yyout ? arg_yyout->rdbuf() : std::cout.rdbuf())
{
ctor_common();
}
/* The contents of this function are C++ specific, so the () macro is not used.
*/
yyFlexLexer::yyFlexLexer( std::istream& arg_yyin, std::ostream& arg_yyout ):
yyin(arg_yyin.rdbuf()),
yyout(arg_yyout.rdbuf())
{
ctor_common();
}
/* The contents of this function are C++ specific, so the () macro is not used.
*/
void yyFlexLexer::ctor_common()
{
yy_c_buf_p = 0;
yy_init = 0;
yy_start = 0;
yy_flex_debug = 0;
yylineno = 1; // this will only get updated if %option yylineno
yy_did_buffer_switch_on_eof = 0;
yy_looking_for_trail_begin = 0;
yy_more_flag = 0;
yy_more_len = 0;
yy_more_offset = yy_prev_more_offset = 0;
yy_start_stack_ptr = yy_start_stack_depth = 0;
yy_start_stack = NULL;
yy_buffer_stack = 0;
yy_buffer_stack_top = 0;
yy_buffer_stack_max = 0;
yy_state_buf = 0;
}
/* The contents of this function are C++ specific, so the () macro is not used.
*/
yyFlexLexer::~yyFlexLexer()
{
delete [] yy_state_buf;
yyfree(yy_start_stack );
yy_delete_buffer( YY_CURRENT_BUFFER );
yyfree(yy_buffer_stack );
}
/* The contents of this function are C++ specific, so the () macro is not used.
*/
void yyFlexLexer::switch_streams( std::istream& new_in, std::ostream& new_out )
{
// was if( new_in )
yy_delete_buffer( YY_CURRENT_BUFFER );
yy_switch_to_buffer( yy_create_buffer( new_in, YY_BUF_SIZE ) );
// was if( new_out )
yyout.rdbuf(new_out.rdbuf());
}
/* The contents of this function are C++ specific, so the () macro is not used.
*/
void yyFlexLexer::switch_streams( std::istream* new_in, std::ostream* new_out )
{
if( ! new_in ) {
new_in = &yyin;
}
if ( ! new_out ) {
new_out = &yyout;
}
switch_streams(*new_in, *new_out);
}
#ifdef YY_INTERACTIVE
int yyFlexLexer::LexerInput( char* buf, int /* max_size */ )
#else
int yyFlexLexer::LexerInput( char* buf, int max_size )
#endif
{
if ( yyin.eof() || yyin.fail() )
return 0;
#ifdef YY_INTERACTIVE
yyin.get( buf[0] );
if ( yyin.eof() )
return 0;
if ( yyin.bad() )
return -1;
return 1;
#else
(void) yyin.read( buf, max_size );
if ( yyin.bad() )
return -1;
else
return yyin.gcount();
#endif
}
void yyFlexLexer::LexerOutput( const char* buf, int size )
{
(void) yyout.write( buf, size );
}
/* %ok-for-header */
/* %endif */
/* 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
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
int yyFlexLexer::yy_get_next_buffer()
/* %endif */
{
char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
char *source = (yytext_ptr);
yy_size_t 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 = (yy_size_t) ((yy_c_buf_p) - (yytext_ptr)) - 1;
for ( i = 0; i < number_to_move; ++i )
*(dest++) = *(source++);
if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
/* don't do the read, it's not guaranteed to return an EOF,
* just force an EOF
*/
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
else
{
yy_size_t num_to_read =
YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
while ( num_to_read <= 0 )
{ /* Not enough room in the buffer - grow it. */
/* just a shorter name for the current buffer */
YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
int yy_c_buf_p_offset =
(int) ((yy_c_buf_p) - b->yy_ch_buf);
if ( b->yy_is_our_buffer )
{
yy_size_t new_size = b->yy_buf_size * 2;
if ( new_size <= 0 )
b->yy_buf_size += b->yy_buf_size / 8;
else
b->yy_buf_size *= 2;
b->yy_ch_buf = (char *)
/* Include room in for 2 EOB chars. */
yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 );
}
else
/* Can't grow it, we don't own it. */
b->yy_ch_buf = 0;
if ( ! b->yy_ch_buf )
YY_FATAL_ERROR(
"fatal error - scanner input buffer overflow" );
(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
number_to_move - 1;
}
if ( num_to_read > YY_READ_BUF_SIZE )
num_to_read = YY_READ_BUF_SIZE;
/* Read in more data. */
YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
(yy_n_chars), num_to_read );
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
}
if ( (yy_n_chars) == 0 )
{
if ( number_to_move == YY_MORE_ADJ )
{
ret_val = EOB_ACT_END_OF_FILE;
yyrestart( yyin );
}
else
{
ret_val = EOB_ACT_LAST_MATCH;
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
YY_BUFFER_EOF_PENDING;
}
}
else
ret_val = EOB_ACT_CONTINUE_SCAN;
if ((int) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
/* Extend the array by 50%, plus the number we really need. */
int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size );
if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
}
(yy_n_chars) += number_to_move;
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
return ret_val;
}
/* yy_get_previous_state - get the state just before the EOB char was reached */
/* %if-c-only */
/* %not-for-header */
/* %endif */
/* %if-c++-only */
yy_state_type yyFlexLexer::yy_get_previous_state()
/* %endif */
{
yy_state_type yy_current_state;
char *yy_cp;
/* %% [15.0] code to get the start state into yy_current_state goes here */
yy_current_state = (yy_start);
for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
{
/* %% [16.0] code to find the next state goes here */
YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
if ( yy_accept[yy_current_state] )
{
(yy_last_accepting_state) = yy_current_state;
(yy_last_accepting_cpos) = yy_cp;
}
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 113 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
}
return yy_current_state;
}
/* yy_try_NUL_trans - try to make a transition on the NUL character
*
* synopsis
* next_state = yy_try_NUL_trans( current_state );
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state )
/* %endif */
{
int yy_is_jam;
/* %% [17.0] code to find the next state, and perhaps do backing up, goes here */
char *yy_cp = (yy_c_buf_p);
YY_CHAR yy_c = 1;
if ( yy_accept[yy_current_state] )
{
(yy_last_accepting_state) = yy_current_state;
(yy_last_accepting_cpos) = yy_cp;
}
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 113 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
yy_is_jam = (yy_current_state == 112);
return yy_is_jam ? 0 : yy_current_state;
}
#ifndef YY_NO_UNPUT
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yyunput( int c, char* yy_bp)
/* %endif */
{
char *yy_cp;
yy_cp = (yy_c_buf_p);
/* undo effects of setting up yytext */
*yy_cp = (yy_hold_char);
if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
{ /* need to shift things up to make room */
/* +2 for EOB chars. */
yy_size_t number_to_move = (yy_n_chars) + 2;
char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
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;
/* %% [18.0] update yylineno here */
(yytext_ptr) = yy_bp;
(yy_hold_char) = *yy_cp;
(yy_c_buf_p) = yy_cp;
}
/* %if-c-only */
/* %endif */
#endif
/* %if-c-only */
/* %endif */
/* %if-c++-only */
int yyFlexLexer::yyinput()
/* %endif */
{
int c;
*(yy_c_buf_p) = (yy_hold_char);
if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
{
/* yy_c_buf_p now points to the character we want to return.
* If this occurs *before* the EOB characters, then it's a
* valid NUL; if not, then we've hit the end of the buffer.
*/
if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
/* This was really a NUL. */
*(yy_c_buf_p) = '\0';
else
{ /* need more input */
yy_size_t offset = (yy_c_buf_p) - (yytext_ptr);
++(yy_c_buf_p);
switch ( yy_get_next_buffer( ) )
{
case EOB_ACT_LAST_MATCH:
/* This happens because yy_g_n_b()
* sees that we've accumulated a
* token and flags that we need to
* try matching the token before
* proceeding. But for input(),
* there's no matching to consider.
* So convert the EOB_ACT_LAST_MATCH
* to EOB_ACT_END_OF_FILE.
*/
/* Reset buffer status. */
yyrestart( yyin );
/*FALLTHROUGH*/
case EOB_ACT_END_OF_FILE:
{
if ( yywrap( ) )
return 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 yytext */
(yy_hold_char) = *++(yy_c_buf_p);
/* %% [19.0] update BOL and yylineno */
return c;
}
/* %if-c-only */
/* %endif */
/** 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 .
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yyrestart( std::istream& input_file )
/* %endif */
{
if ( ! YY_CURRENT_BUFFER ){
yyensure_buffer_stack ();
YY_CURRENT_BUFFER_LVALUE =
yy_create_buffer( yyin, YY_BUF_SIZE );
}
yy_init_buffer( YY_CURRENT_BUFFER, input_file );
yy_load_buffer_state( );
}
/* %if-c++-only */
/** Delegate to the new version that takes an istream reference.
* @param input_file A readable stream.
*
* @note This function does not reset the start condition to @c INITIAL .
*/
void yyFlexLexer::yyrestart( std::istream* input_file )
{
yyrestart( *input_file );
}
/* %endif */
/** Switch to a different input buffer.
* @param new_buffer The new input buffer.
*
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
/* %endif */
{
/* TODO. We should be able to replace this entire function body
* with
* yypop_buffer_state();
* yypush_buffer_state(new_buffer);
*/
yyensure_buffer_stack ();
if ( YY_CURRENT_BUFFER == new_buffer )
return;
if ( YY_CURRENT_BUFFER )
{
/* Flush out information for old buffer. */
*(yy_c_buf_p) = (yy_hold_char);
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
}
YY_CURRENT_BUFFER_LVALUE = new_buffer;
yy_load_buffer_state( );
/* We don't actually know whether we did this switch during
* EOF (yywrap()) processing, but the only time this flag
* is looked at is after yywrap() is called, so it's safe
* to go ahead and always set it.
*/
(yy_did_buffer_switch_on_eof) = 1;
}
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yy_load_buffer_state()
/* %endif */
{
(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
/* %if-c-only */
/* %endif */
/* %if-c++-only */
yyin.rdbuf(YY_CURRENT_BUFFER_LVALUE->yy_input_file);
/* %endif */
(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.
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( std::istream& file, int size )
/* %endif */
{
YY_BUFFER_STATE b;
b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
b->yy_buf_size = (yy_size_t)size;
/* yy_ch_buf has to be 2 characters longer than the size given because
* we need to put in 2 end-of-buffer characters.
*/
b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 );
if ( ! b->yy_ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
b->yy_is_our_buffer = 1;
yy_init_buffer( b, file );
return b;
}
/* %if-c++-only */
/** Delegate creation of buffers to the new version that takes an istream reference.
* @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 yyFlexLexer::yy_create_buffer( std::istream* file, int size )
{
return yy_create_buffer( *file, size );
}
/* %endif */
/** Destroy the buffer.
* @param b a buffer created with yy_create_buffer()
*
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b )
/* %endif */
{
if ( ! b )
return;
if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
if ( b->yy_is_our_buffer )
yyfree((void *) b->yy_ch_buf );
yyfree((void *) b );
}
/* Initializes or reinitializes a buffer.
* This function is sometimes called more than once on the same buffer,
* such as during a yyrestart() or at EOF.
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, std::istream& file )
/* %endif */
{
int oerrno = errno;
yy_flush_buffer( b );
/* %if-c-only */
/* %endif */
/* %if-c++-only */
b->yy_input_file = file.rdbuf();
/* %endif */
b->yy_fill_buffer = 1;
/* If b is the current buffer, then yy_init_buffer was _probably_
* called from yyrestart() or through yy_get_next_buffer.
* In that case, we don't want to reset the lineno or column.
*/
if (b != YY_CURRENT_BUFFER){
b->yy_bs_lineno = 1;
b->yy_bs_column = 0;
}
/* %if-c-only */
/* %endif */
/* %if-c++-only */
b->yy_is_interactive = 0;
/* %endif */
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.
*
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yy_flush_buffer( YY_BUFFER_STATE b )
/* %endif */
{
if ( ! b )
return;
b->yy_n_chars = 0;
/* We always need two end-of-buffer characters. The first causes
* a transition to the end-of-buffer state. The second causes
* a jam in that state.
*/
b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
b->yy_buf_pos = &b->yy_ch_buf[0];
b->yy_at_bol = 1;
b->yy_buffer_status = YY_BUFFER_NEW;
if ( b == YY_CURRENT_BUFFER )
yy_load_buffer_state( );
}
/* %if-c-or-c++ */
/** 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.
*
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yypush_buffer_state (YY_BUFFER_STATE new_buffer)
/* %endif */
{
if (new_buffer == NULL)
return;
yyensure_buffer_stack();
/* This block is copied from yy_switch_to_buffer. */
if ( YY_CURRENT_BUFFER )
{
/* Flush out information for old buffer. */
*(yy_c_buf_p) = (yy_hold_char);
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
}
/* Only push if top exists. Otherwise, replace top. */
if (YY_CURRENT_BUFFER)
(yy_buffer_stack_top)++;
YY_CURRENT_BUFFER_LVALUE = new_buffer;
/* copied from yy_switch_to_buffer. */
yy_load_buffer_state( );
(yy_did_buffer_switch_on_eof) = 1;
}
/* %endif */
/* %if-c-or-c++ */
/** Removes and deletes the top of the stack, if present.
* The next element becomes the new top.
*
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yypop_buffer_state (void)
/* %endif */
{
if (!YY_CURRENT_BUFFER)
return;
yy_delete_buffer(YY_CURRENT_BUFFER );
YY_CURRENT_BUFFER_LVALUE = NULL;
if ((yy_buffer_stack_top) > 0)
--(yy_buffer_stack_top);
if (YY_CURRENT_BUFFER) {
yy_load_buffer_state( );
(yy_did_buffer_switch_on_eof) = 1;
}
}
/* %endif */
/* %if-c-or-c++ */
/* Allocates the stack if it does not exist.
* Guarantees space for at least one push.
*/
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yyensure_buffer_stack(void)
/* %endif */
{
yy_size_t num_to_alloc;
if (!(yy_buffer_stack)) {
/* First allocation is just for 2 elements, since we don't know if this
* scanner will even need a stack. We use 2 instead of 1 to avoid an
* immediate realloc on the next call.
*/
num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
(num_to_alloc * sizeof(struct yy_buffer_state*)
);
if ( ! (yy_buffer_stack) )
YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
(yy_buffer_stack_max) = num_to_alloc;
(yy_buffer_stack_top) = 0;
return;
}
if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
/* Increase the buffer to prepare for a possible push. */
yy_size_t grow_size = 8 /* arbitrary grow size */;
num_to_alloc = (yy_buffer_stack_max) + grow_size;
(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
((yy_buffer_stack),
num_to_alloc * sizeof(struct yy_buffer_state*)
);
if ( ! (yy_buffer_stack) )
YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
/* zero only the new slots.*/
memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
(yy_buffer_stack_max) = num_to_alloc;
}
}
/* %endif */
/* %if-c-only */
/* %endif */
/* %if-c-only */
/* %endif */
/* %if-c-only */
/* %endif */
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yy_push_state( int _new_state )
/* %endif */
{
if ( (yy_start_stack_ptr) >= (yy_start_stack_depth) )
{
yy_size_t new_size;
(yy_start_stack_depth) += YY_START_STACK_INCR;
new_size = (yy_start_stack_depth) * sizeof( int );
if ( ! (yy_start_stack) )
(yy_start_stack) = (int *) yyalloc(new_size );
else
(yy_start_stack) = (int *) yyrealloc((void *) (yy_start_stack),new_size );
if ( ! (yy_start_stack) )
YY_FATAL_ERROR( "out of memory expanding start-condition stack" );
}
(yy_start_stack)[(yy_start_stack_ptr)++] = YY_START;
BEGIN(_new_state);
}
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::yy_pop_state()
/* %endif */
{
if ( --(yy_start_stack_ptr) < 0 )
YY_FATAL_ERROR( "start-condition stack underflow" );
BEGIN((yy_start_stack)[(yy_start_stack_ptr)]);
}
/* %if-c-only */
/* %endif */
/* %if-c++-only */
int yyFlexLexer::yy_top_state()
/* %endif */
{
return (yy_start_stack)[(yy_start_stack_ptr) - 1];
}
#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif
/* %if-c-only */
/* %endif */
/* %if-c++-only */
void yyFlexLexer::LexerError( yyconst char msg[] )
{
std::cerr << msg << std::endl;
exit( YY_EXIT_FAILURE );
}
/* %endif */
/* Redefine yyless() so it works in section 3 code. */
#undef yyless
#define yyless(n) \
do \
{ \
/* Undo effects of setting up yytext. */ \
int yyless_macro_arg = (n); \
YY_LESS_LINENO(yyless_macro_arg);\
yytext[yyleng] = (yy_hold_char); \
(yy_c_buf_p) = yytext + yyless_macro_arg; \
(yy_hold_char) = *(yy_c_buf_p); \
*(yy_c_buf_p) = '\0'; \
yyleng = yyless_macro_arg; \
} \
while ( 0 )
/* Accessor methods (get/set functions) to struct members. */
/* %if-c-only */
/* %if-reentrant */
/* %endif */
/* %if-reentrant */
/* %endif */
/* %endif */
/* %if-reentrant */
/* %if-bison-bridge */
/* %endif */
/* %endif if-c-only */
/* %if-c-only */
/* %endif */
/* %if-c-only SNIP! this currently causes conflicts with the c++ scanner */
/* %if-reentrant */
/* %endif */
/* %endif */
/*
* Internal utility routines.
*/
#ifndef yytext_ptr
static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
{
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 )
{
int n;
for ( n = 0; s[n]; ++n )
;
return n;
}
#endif
void *yyalloc (yy_size_t size )
{
return (void *) malloc( size );
}
void *yyrealloc (void * ptr, yy_size_t size )
{
/* The cast to (char *) in the following accommodates both
* implementations that use char* generic pointers, and those
* that use void* generic pointers. It works with the latter
* because both ANSI C and C++ allow castless assignment from
* any pointer type to void*, and deal with argument conversions
* as though doing an assignment.
*/
return (void *) realloc( (char *) ptr, size );
}
void yyfree (void * ptr )
{
free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
}
/* %if-tables-serialization definitions */
/* %define-yytables The name for this specific scanner's tables. */
#define YYTABLES_NAME "yytables"
/* %endif */
/* %ok-for-header */
#line 202 "/home/hzq/SysYF_IR_Lab/2021_sysycompiler_ir_lab/grammar/SysYFScanner.ll"
int yyFlexLexer::yylex() {
std::cerr << "'int yyFlexLexer::yylex()' should never be called." << std::endl;
exit(1);
}
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