📄 lexyy.c
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#define FLEX_COMPRESSED
/* A lexical scanner generated by flex */
/* scanner skeleton version:
* $Header: flex.skel,v 2.0 89/06/20 15:49:46 vern Locked $
*/
#include <stdio.h>
#define FLEX_SCANNER
/* amount of stuff to slurp up with each read */
#ifndef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 8192
#endif
#ifndef YY_BUF_SIZE
#define YY_BUF_SIZE (YY_READ_BUF_SIZE * 2) /* size of input buffer */
#endif
/* returned upon end-of-file */
#define YY_END_TOK 0
/* copy whatever the last rule matched to the standard output */
#define ECHO fputs( yytext, yyout )
/* gets input and stuffs it into "buf". number of characters read, or YY_NULL,
* is returned in "result".
*/
#define YY_INPUT(buf,result,max_size) \
if ( (result = read( fileno(yyin), buf, max_size )) < 0 ) \
YY_FATAL_ERROR( "read() in flex scanner failed" );
#define YY_NULL 0
#define yyterminate() return ( YY_NULL )
/* report a fatal error */
#define YY_FATAL_ERROR(msg) \
{ \
fputs( msg, stderr ); \
putc( '\n', stderr ); \
exit( 1 ); \
}
/* default yywrap function - always treat EOF as an EOF */
#define yywrap() 1
/* 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 *
/* 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 goto new_file
/* default declaration of generated scanner - a define so the user can
* easily add parameters
*/
#define YY_DECL int yylex( void )
/* code executed at the end of each rule */
#define YY_BREAK break;
#define YY_END_OF_BUFFER_CHAR 0
/* done after the current pattern has been matched and before the
* corresponding action - sets up yytext
*/
#define YY_DO_BEFORE_ACTION \
yytext = yy_bp; \
yy_hold_char = *yy_cp; \
*yy_cp = '\0'; \
yy_c_buf_p = yy_cp;
/* returns the length of the matched text */
#define yyleng (yy_cp - yy_bp)
#define EOB_ACT_RESTART_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
/* return all but the first 'n' matched characters back to the input stream */
#define yyless(n) \
{ \
*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ \
yy_c_buf_p = yy_cp = yy_bp + n; \
YY_DO_BEFORE_ACTION; /* set up yytext again */ \
}
#define unput(c) yyunput( c, yy_bp )
#define YY_USER_ACTION
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
unsigned char *yytext;
# line 1 "funcdraw.l"
#define INITIAL 0
// -------------------------- funcdraw.l ------------------------------
# line 5 "funcdraw.l"
# include "semantics.h"
# include "y_tab.h" // 由XDYACC根据源程序生成
unsigned int LineNo; // 行号
struct Token tokens; // 记号
// ----------------- 入口声明 -----------------
#define comment_entry 1
#define c_comment_entry 2
// ----------------- 辅助定义 -----------------
// 姜江解答模式：
// 习题解答模式：c_comments "/*"([^\*]|\*[^/])*"*/"
// 多重入口模式：c_comments "/*"
# line 25 "funcdraw.l"
#define YY_END_OF_BUFFER 41
typedef int yy_state_type;
static const short int yy_accept[125] =
{ 0,
0, 0, 0, 0, 0, 0, 41, 34, 3, 4,
29, 30, 25, 24, 27, 23, 26, 32, 28, 33,
33, 33, 16, 33, 33, 33, 33, 33, 33, 33,
14, 34, 34, 34, 34, 34, 34, 34, 34, 34,
35, 36, 38, 39, 38, 3, 31, 1, 0, 0,
32, 33, 0, 33, 33, 33, 33, 33, 8, 21,
33, 15, 33, 33, 33, 33, 33, 33, 11, 0,
0, 0, 9, 8, 0, 0, 11, 10, 37, 0,
0, 0, 32, 18, 33, 20, 9, 33, 33, 7,
33, 17, 33, 33, 19, 0, 0, 0, 0, 0,
2, 13, 10, 33, 33, 22, 12, 12, 0, 13,
0, 5, 33, 6, 0, 0, 5, 0, 0, 0,
0, 6, 7, 0
} ;
static const unsigned char 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, 1, 1, 1, 1, 1, 1, 4,
5, 6, 7, 8, 9, 10, 11, 12, 12, 12,
12, 12, 12, 12, 12, 12, 12, 1, 13, 1,
1, 1, 1, 1, 15, 16, 17, 18, 19, 20,
21, 16, 22, 16, 16, 23, 24, 25, 26, 27,
28, 29, 30, 31, 16, 16, 32, 33, 16, 16,
1, 1, 1, 1, 14, 1, 15, 16, 17, 18,
19, 20, 21, 16, 22, 16, 16, 23, 24, 25,
26, 27, 28, 29, 30, 31, 16, 16, 32, 33,
16, 16, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 34, 1, 1, 1, 1, 1, 35,
1, 1, 36, 1, 1, 1, 37, 38, 39, 1,
40, 41, 1, 1, 1, 42, 43, 1, 44, 1,
1, 45, 46, 1, 1, 1, 1, 47, 48, 49,
1, 50, 1, 1, 1, 1, 1, 51, 1, 1,
1, 52, 1, 53, 54, 1, 1, 1, 1, 1,
55, 1, 1, 1, 56, 1, 57, 1, 1, 58,
1, 1, 1, 1, 1, 1, 1, 59, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 60, 1, 1
} ;
static const char yy_meta[61] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 1, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 1, 1, 1, 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 const short int yy_base[130] =
{ 0,
0, 0, 209, 208, 58, 59, 210, 213, 207, 213,
213, 213, 202, 213, 213, 198, 57, 57, 213, 192,
52, 56, 57, 58, 59, 61, 62, 60, 66, 79,
80, 161, 148, 145, 143, 153, 140, 163, 152, 145,
213, 213, 213, 213, 185, 193, 213, 213, 77, 182,
67, 179, 178, 67, 84, 86, 88, 89, 177, 176,
90, 175, 91, 94, 100, 97, 102, 104, 174, 148,
132, 132, 213, 213, 130, 143, 213, 213, 213, 113,
117, 121, 170, 167, 106, 166, 165, 116, 120, 164,
119, 163, 117, 122, 162, 141, 119, 126, 137, 114,
213, 156, 155, 121, 125, 154, 153, 213, 129, 213,
121, 213, 131, 141, 105, 105, 138, 106, 109, 87,
97, 213, 213, 213, 156, 158, 135, 160, 162
} ;
static const short int yy_def[130] =
{ 0,
124, 1, 125, 125, 126, 126, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 127,
127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
127, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 128, 124,
124, 127, 127, 127, 127, 127, 127, 127, 127, 127,
127, 127, 127, 127, 127, 127, 127, 127, 127, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 128,
129, 128, 124, 127, 127, 127, 127, 127, 127, 127,
127, 127, 127, 127, 127, 124, 124, 124, 124, 124,
124, 127, 127, 127, 127, 127, 127, 124, 124, 124,
124, 124, 127, 127, 124, 124, 127, 124, 124, 124,
124, 124, 124, 0, 124, 124, 124, 124, 124
} ;
static const short int yy_nxt[274] =
{ 0,
8, 9, 10, 11, 12, 13, 14, 15, 16, 8,
17, 18, 19, 8, 20, 20, 21, 22, 23, 24,
20, 25, 26, 20, 20, 27, 28, 20, 29, 30,
31, 20, 20, 8, 8, 8, 8, 32, 8, 8,
8, 33, 34, 8, 8, 35, 8, 8, 8, 36,
37, 38, 39, 40, 8, 8, 8, 8, 8, 8,
44, 44, 49, 45, 45, 53, 50, 48, 51, 53,
53, 53, 53, 53, 53, 53, 50, 54, 51, 53,
53, 62, 81, 57, 55, 60, 58, 82, 59, 56,
61, 63, 53, 53, 68, 64, 84, 53, 85, 53,
65, 53, 53, 53, 53, 69, 66, 53, 91, 67,
53, 89, 86, 53, 88, 53, 87, 53, 81, 53,
94, 90, 81, 82, 92, 93, 81, 101, 95, 53,
53, 82, 53, 53, 53, 53, 52, 102, 53, 103,
104, 105, 113, 114, 53, 123, 122, 106, 107, 121,
120, 53, 119, 118, 53, 117, 41, 41, 43, 43,
80, 80, 82, 82, 116, 115, 53, 53, 53, 53,
112, 111, 110, 109, 108, 53, 53, 53, 53, 53,
53, 83, 100, 99, 98, 97, 96, 53, 53, 53,
53, 124, 53, 83, 46, 79, 78, 77, 76, 75,
74, 73, 72, 71, 70, 53, 48, 47, 46, 124,
42, 42, 7, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124
} ;
static const short int yy_chk[274] =
{ 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, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
5, 6, 17, 5, 6, 21, 18, 17, 18, 22,
23, 24, 25, 28, 26, 27, 51, 21, 51, 29,
54, 28, 49, 24, 22, 26, 24, 49, 25, 23,
27, 29, 30, 31, 31, 30, 54, 55, 55, 56,
30, 57, 58, 61, 63, 31, 30, 64, 64, 30,
66, 61, 56, 65, 58, 67, 57, 68, 80, 85,
67, 63, 81, 80, 65, 66, 82, 81, 68, 88,
93, 82, 91, 89, 104, 94, 127, 85, 105, 88,
89, 91, 104, 105, 113, 121, 120, 93, 94, 119,
118, 117, 116, 115, 114, 113, 125, 125, 126, 126,
128, 128, 129, 129, 111, 109, 107, 106, 103, 102,
100, 99, 98, 97, 96, 95, 92, 90, 87, 86,
84, 83, 76, 75, 72, 71, 70, 69, 62, 60,
59, 53, 52, 50, 46, 45, 40, 39, 38, 37,
36, 35, 34, 33, 32, 20, 16, 13, 9, 7,
4, 3, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124
} ;
/* 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
/* these variables are all declared out here so that section 3 code can
* manipulate them
*/
static unsigned char *yy_c_buf_p; /* points to current character in buffer */
static int yy_init = 1; /* whether we need to initialize */
static int yy_start = 0; /* start state number */
/* true when we've seen an EOF for the current input file */
static int yy_eof_has_been_seen;
static int yy_n_chars; /* number of characters read into yy_ch_buf */
/* yy_ch_buf has to be 2 characters longer than YY_BUF_SIZE because we need
* to put in 2 end-of-buffer characters (this is explained where it is
* done) at the end of yy_ch_buf
*/
static unsigned char yy_ch_buf[YY_BUF_SIZE + 2];
/* yy_hold_char holds the character lost when yytext is formed */
static unsigned char yy_hold_char;
static yy_state_type yy_last_accepting_state;
static unsigned char *yy_last_accepting_cpos;
static yy_state_type yy_get_previous_state( void );
static int yy_get_next_buffer( void );
static void yyunput( int c, unsigned char *buf_ptr );
static int input( void );
static void yyrestart( FILE *input_file );
YY_DECL
{
register yy_state_type yy_current_state;
register unsigned char *yy_cp, *yy_bp;
register int yy_act;
if ( yy_init )
{
if ( ! yy_start )
yy_start = 1; /* first start state */
if ( ! yyin )
yyin = stdin;
if ( ! yyout )
yyout = stdout;
new_file:
/* this is where we enter upon encountering an end-of-file and
* yywrap() indicating that we should continue processing
*/
/* we put in the '\n' and start reading from [1] so that an
* initial match-at-newline will be true.
*/
yy_ch_buf[0] = '\n';
yy_n_chars = 1;
/* 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.
*/
yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
yy_eof_has_been_seen = 0;
yytext = yy_c_buf_p = &yy_ch_buf[1];
yy_hold_char = *yy_c_buf_p;
yy_init = 0;
}
while ( 1 ) /* loops until end-of-file is reached */
{
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;
yy_current_state = yy_start;
do
{
register unsigned char yy_c = yy_ec[*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 = yy_def[yy_current_state];
if ( yy_current_state >= 125 )
yy_c = yy_meta[yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
++yy_cp;
}
while ( yy_current_state != 124 );
yy_cp = yy_last_accepting_cpos;
yy_current_state = yy_last_accepting_state;
/* bogus while loop to let YY_BACK_TRACK, EOB_ACT_LAST_MATCH,
* and EOF actions branch here without introducing an optimizer-
* daunting goto
*/
while ( 1 )
{
yy_act = yy_accept[yy_current_state];
YY_DO_BEFORE_ACTION;
YY_USER_ACTION;
#ifdef FLEX_DEBUG
fprintf( stderr, "--accepting rule #%d (\"%s\")\n",
yy_act, yytext );
#endif
do_action: /* this label is used only to access EOF actions */
switch ( yy_act )
{
case 0: /* must backtrack */
/* 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;
continue; /* go to "YY_DO_BEFORE_ACTION" */
// ----------------- 翻译规则 -----------------
case 1:
# line 27 "funcdraw.l"
BEGIN comment_entry ; // Ada或C++注释
YY_BREAK
// 多重入口模式：{c_comments} BEGIN c_comment_entry ; // C注释
// 单个入口模式：
case 2:
# line 30 "funcdraw.l"
; // C注释
YY_BREAK
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