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|
#line 1 "format.rl"
/*
* Partial printf implementation.
*/
#define BUFLEN 1024
#include <stdio.h>
typedef void (*WriteFunc)( char *data, int len );
struct format
{
char buf[BUFLEN+1];
int buflen;
WriteFunc write;
int flags;
int width;
int prec;
int cs;
};
void do_conv( struct format *fsm, char c )
{
printf( "flags: %x\n", fsm->flags );
printf( "width: %i\n", fsm->width );
printf( "prec: %i\n", fsm->prec );
printf( "conv: %c\n", c );
printf( "\n" );
}
#define FL_HASH 0x01
#define FL_ZERO 0x02
#define FL_DASH 0x04
#define FL_SPACE 0x08
#define FL_PLUS 0x10
#define FL_HAS_WIDTH 0x0100
#define FL_WIDTH_ARG 0x0200
#define FL_HAS_PREC 0x0400
#define FL_PREC_ARG 0x0800
#define FL_LEN_H 0x010000
#define FL_LEN_HH 0x020000
#define FL_LEN_L 0x040000
#define FL_LEN_LL 0x080000
#line 137 "format.rl"
#line 55 "format.c"
static const int format_start = 11;
static const int format_first_final = 11;
static const int format_error = 0;
static const int format_en_main = 11;
#line 140 "format.rl"
void format_init( struct format *fsm )
{
fsm->buflen = 0;
#line 69 "format.c"
{
fsm->cs = format_start;
}
#line 145 "format.rl"
}
void format_execute( struct format *fsm, const char *data, int len, int isEof )
{
const char *p = data;
const char *pe = data + len;
const char *eof = isEof ? pe : 0;
#line 84 "format.c"
{
if ( p == pe )
goto _test_eof;
switch ( fsm->cs )
{
tr3:
#line 113 "format.rl"
{
if ( fsm->buflen == BUFLEN ) {
fsm->write( fsm->buf, fsm->buflen );
fsm->buflen = 0;
}
fsm->buf[fsm->buflen++] = (*p);
}
goto st11;
tr10:
#line 99 "format.rl"
{
do_conv( fsm, (*p) );
}
goto st11;
tr14:
#line 63 "format.rl"
{ fsm->flags |= FL_HAS_WIDTH; }
#line 99 "format.rl"
{
do_conv( fsm, (*p) );
}
goto st11;
tr19:
#line 69 "format.rl"
{ fsm->flags |= FL_HAS_PREC; }
#line 99 "format.rl"
{
do_conv( fsm, (*p) );
}
goto st11;
tr22:
#line 86 "format.rl"
{ fsm->flags |= FL_LEN_H; }
#line 99 "format.rl"
{
do_conv( fsm, (*p) );
}
goto st11;
tr24:
#line 87 "format.rl"
{ fsm->flags |= FL_LEN_L; }
#line 99 "format.rl"
{
do_conv( fsm, (*p) );
}
goto st11;
st11:
if ( ++p == pe )
goto _test_eof11;
case 11:
#line 142 "format.c"
if ( (*p) == 37 )
goto tr26;
goto tr3;
tr26:
#line 51 "format.rl"
{
fsm->flags = 0;
fsm->width = 0;
fsm->prec = 0;
}
goto st1;
st1:
if ( ++p == pe )
goto _test_eof1;
case 1:
#line 158 "format.c"
switch( (*p) ) {
case 32: goto tr1;
case 35: goto tr2;
case 37: goto tr3;
case 42: goto tr4;
case 43: goto tr5;
case 45: goto tr6;
case 46: goto st4;
case 48: goto tr8;
case 88: goto tr10;
case 104: goto st6;
case 105: goto tr10;
case 108: goto st8;
case 115: goto tr10;
case 117: goto tr10;
case 120: goto tr10;
}
if ( (*p) < 99 ) {
if ( 49 <= (*p) && (*p) <= 57 )
goto tr9;
} else if ( (*p) > 100 ) {
if ( 111 <= (*p) && (*p) <= 112 )
goto tr10;
} else
goto tr10;
goto tr0;
tr0:
#line 128 "format.rl"
{
printf("ERROR ON CHAR: 0x%x\n", (*p) );
}
goto st0;
#line 191 "format.c"
st0:
fsm->cs = 0;
goto _out;
tr1:
#line 76 "format.rl"
{ fsm->flags |= FL_SPACE; }
goto st2;
tr2:
#line 73 "format.rl"
{ fsm->flags |= FL_HASH; }
goto st2;
tr5:
#line 77 "format.rl"
{ fsm->flags |= FL_PLUS; }
goto st2;
tr6:
#line 75 "format.rl"
{ fsm->flags |= FL_DASH; }
goto st2;
tr8:
#line 74 "format.rl"
{ fsm->flags |= FL_ZERO; }
goto st2;
st2:
if ( ++p == pe )
goto _test_eof2;
case 2:
#line 219 "format.c"
switch( (*p) ) {
case 32: goto tr1;
case 35: goto tr2;
case 42: goto tr4;
case 43: goto tr5;
case 45: goto tr6;
case 46: goto st4;
case 48: goto tr8;
case 88: goto tr10;
case 104: goto st6;
case 105: goto tr10;
case 108: goto st8;
case 115: goto tr10;
case 117: goto tr10;
case 120: goto tr10;
}
if ( (*p) < 99 ) {
if ( 49 <= (*p) && (*p) <= 57 )
goto tr9;
} else if ( (*p) > 100 ) {
if ( 111 <= (*p) && (*p) <= 112 )
goto tr10;
} else
goto tr10;
goto tr0;
tr4:
#line 62 "format.rl"
{ fsm->flags |= FL_WIDTH_ARG; }
goto st3;
st3:
if ( ++p == pe )
goto _test_eof3;
case 3:
#line 253 "format.c"
switch( (*p) ) {
case 46: goto tr13;
case 88: goto tr14;
case 104: goto tr15;
case 105: goto tr14;
case 108: goto tr16;
case 115: goto tr14;
case 117: goto tr14;
case 120: goto tr14;
}
if ( (*p) > 100 ) {
if ( 111 <= (*p) && (*p) <= 112 )
goto tr14;
} else if ( (*p) >= 99 )
goto tr14;
goto tr0;
tr13:
#line 63 "format.rl"
{ fsm->flags |= FL_HAS_WIDTH; }
goto st4;
st4:
if ( ++p == pe )
goto _test_eof4;
case 4:
#line 278 "format.c"
switch( (*p) ) {
case 42: goto tr17;
case 88: goto tr19;
case 104: goto tr20;
case 105: goto tr19;
case 108: goto tr21;
case 115: goto tr19;
case 117: goto tr19;
case 120: goto tr19;
}
if ( (*p) < 99 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr18;
} else if ( (*p) > 100 ) {
if ( 111 <= (*p) && (*p) <= 112 )
goto tr19;
} else
goto tr19;
goto tr0;
tr17:
#line 68 "format.rl"
{ fsm->flags |= FL_PREC_ARG; }
goto st5;
st5:
if ( ++p == pe )
goto _test_eof5;
case 5:
#line 306 "format.c"
switch( (*p) ) {
case 88: goto tr10;
case 104: goto st6;
case 105: goto tr10;
case 108: goto st8;
case 115: goto tr10;
case 117: goto tr10;
case 120: goto tr10;
}
if ( (*p) > 100 ) {
if ( 111 <= (*p) && (*p) <= 112 )
goto tr10;
} else if ( (*p) >= 99 )
goto tr10;
goto tr0;
tr15:
#line 63 "format.rl"
{ fsm->flags |= FL_HAS_WIDTH; }
goto st6;
tr20:
#line 69 "format.rl"
{ fsm->flags |= FL_HAS_PREC; }
goto st6;
st6:
if ( ++p == pe )
goto _test_eof6;
case 6:
#line 334 "format.c"
switch( (*p) ) {
case 88: goto tr22;
case 104: goto tr23;
case 105: goto tr22;
case 115: goto tr22;
case 117: goto tr22;
case 120: goto tr22;
}
if ( (*p) > 100 ) {
if ( 111 <= (*p) && (*p) <= 112 )
goto tr22;
} else if ( (*p) >= 99 )
goto tr22;
goto tr0;
tr23:
#line 88 "format.rl"
{ fsm->flags |= FL_LEN_HH; }
goto st7;
tr25:
#line 89 "format.rl"
{ fsm->flags |= FL_LEN_LL; }
goto st7;
st7:
if ( ++p == pe )
goto _test_eof7;
case 7:
#line 361 "format.c"
switch( (*p) ) {
case 88: goto tr10;
case 105: goto tr10;
case 115: goto tr10;
case 117: goto tr10;
case 120: goto tr10;
}
if ( (*p) > 100 ) {
if ( 111 <= (*p) && (*p) <= 112 )
goto tr10;
} else if ( (*p) >= 99 )
goto tr10;
goto tr0;
tr16:
#line 63 "format.rl"
{ fsm->flags |= FL_HAS_WIDTH; }
goto st8;
tr21:
#line 69 "format.rl"
{ fsm->flags |= FL_HAS_PREC; }
goto st8;
st8:
if ( ++p == pe )
goto _test_eof8;
case 8:
#line 387 "format.c"
switch( (*p) ) {
case 88: goto tr24;
case 105: goto tr24;
case 108: goto tr25;
case 115: goto tr24;
case 117: goto tr24;
case 120: goto tr24;
}
if ( (*p) > 100 ) {
if ( 111 <= (*p) && (*p) <= 112 )
goto tr24;
} else if ( (*p) >= 99 )
goto tr24;
goto tr0;
tr18:
#line 67 "format.rl"
{ fsm->prec = 10 * fsm->prec + ((*p)-'0'); }
goto st9;
st9:
if ( ++p == pe )
goto _test_eof9;
case 9:
#line 410 "format.c"
switch( (*p) ) {
case 88: goto tr19;
case 104: goto tr20;
case 105: goto tr19;
case 108: goto tr21;
case 115: goto tr19;
case 117: goto tr19;
case 120: goto tr19;
}
if ( (*p) < 99 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr18;
} else if ( (*p) > 100 ) {
if ( 111 <= (*p) && (*p) <= 112 )
goto tr19;
} else
goto tr19;
goto tr0;
tr9:
#line 61 "format.rl"
{ fsm->width = 10 * fsm->width + ((*p)-'0'); }
goto st10;
st10:
if ( ++p == pe )
goto _test_eof10;
case 10:
#line 437 "format.c"
switch( (*p) ) {
case 46: goto tr13;
case 88: goto tr14;
case 104: goto tr15;
case 105: goto tr14;
case 108: goto tr16;
case 115: goto tr14;
case 117: goto tr14;
case 120: goto tr14;
}
if ( (*p) < 99 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr9;
} else if ( (*p) > 100 ) {
if ( 111 <= (*p) && (*p) <= 112 )
goto tr14;
} else
goto tr14;
goto tr0;
}
_test_eof11: fsm->cs = 11; goto _test_eof;
_test_eof1: fsm->cs = 1; goto _test_eof;
_test_eof2: fsm->cs = 2; goto _test_eof;
_test_eof3: fsm->cs = 3; goto _test_eof;
_test_eof4: fsm->cs = 4; goto _test_eof;
_test_eof5: fsm->cs = 5; goto _test_eof;
_test_eof6: fsm->cs = 6; goto _test_eof;
_test_eof7: fsm->cs = 7; goto _test_eof;
_test_eof8: fsm->cs = 8; goto _test_eof;
_test_eof9: fsm->cs = 9; goto _test_eof;
_test_eof10: fsm->cs = 10; goto _test_eof;
_test_eof: {}
if ( p == eof )
{
switch ( fsm->cs ) {
case 11:
#line 121 "format.rl"
{
if ( fsm->buflen > 0 )
fsm->write( fsm->buf, fsm->buflen );
}
break;
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
#line 125 "format.rl"
{
printf("EOF IN FORMAT\n");
}
#line 128 "format.rl"
{
printf("ERROR ON CHAR: 0x%x\n", (*p) );
}
break;
#line 500 "format.c"
}
}
_out: {}
}
#line 154 "format.rl"
}
int format_finish( struct format *fsm )
{
if ( fsm->cs == format_error )
return -1;
if ( fsm->cs >= format_first_final )
return 1;
return 0;
}
#define INPUT_BUFSIZE 2048
struct format fsm;
char buf[INPUT_BUFSIZE];
void write(char *data, int len )
{
fwrite( data, 1, len, stdout );
}
int main()
{
fsm.write = write;
format_init( &fsm );
while ( 1 ) {
int len = fread( buf, 1, INPUT_BUFSIZE, stdin );
int eof = len != INPUT_BUFSIZE;
format_execute( &fsm, buf, len, eof );
if ( eof )
break;
}
if ( format_finish( &fsm ) <= 0 )
printf("FAIL\n");
return 0;
}
|
