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avrdude/src/lexer.l

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/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2000-2004 Brian S. Dean <bsd@bsdhome.com>
* Copyright (C) 2006 Joerg Wunsch <j@uriah.heep.sax.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* $Id$ */
%{
/* need this for the call to atof() below */
#include <math.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "avrdude.h"
#include "libavrdude.h"
#include "config.h"
#include "config_gram.h"
#ifndef YYERRCODE
#define YYERRCODE 256
#endif
%}
DIGIT [0-9]
HEXDIGIT [0-9a-fA-F]
SIGN [+-]
%x strng
%x incl
%x comment
%option nounput
/* Bump resources for classic lex. */
%e2000
%p10000
%n1000
%%
#{SIGN}*{DIGIT}+ { yylval = number(yytext); return TKN_NUMBER; }
#{SIGN}*{DIGIT}+"."{DIGIT}* { yylval = number_real(yytext); return TKN_NUMBER_REAL; }
#{SIGN}*"."{DIGIT}* { yylval = number_real(yytext); return TKN_NUMBER_REAL; }
{DIGIT}+ { yylval = number(yytext); return TKN_NUMBER; }
{DIGIT}+"."{DIGIT}* { yylval = number_real(yytext); return TKN_NUMBER_REAL; }
"."{DIGIT}+ { yylval = number_real(yytext); return TKN_NUMBER_REAL; }
"\"" { string_buf_ptr = string_buf; BEGIN(strng); }
0x{HEXDIGIT}+ { yylval = hexnumber(yytext); return TKN_NUMBER; }
# { /* The following eats '#' style comments to end of line */
BEGIN(comment); }
<comment>[^\n] { /* eat comments */ }
<comment>\n { lineno++; BEGIN(INITIAL); }
"/*" { /* The following eats multiline C style comments */
int c;
int comment_start;
comment_start = lineno;
while (1) {
while (((c = input()) != '*') && (c != EOF)) {
/* eat up text of comment, but keep counting lines */
if (c == '\n')
lineno++;
}
if (c == '*') {
while ((c = input()) == '*')
;
if (c == '/')
break; /* found the end */
}
if (c == EOF) {
yyerror("EOF in comment (started on line %d)", comment_start);
return YYERRCODE;
}
}
}
<strng>\" { *string_buf_ptr = 0; string_buf_ptr = string_buf;
yylval = string(string_buf_ptr); BEGIN(INITIAL); return TKN_STRING; }
<strng>\\n *string_buf_ptr++ = '\n';
<strng>\\t *string_buf_ptr++ = '\t';
<strng>\\r *string_buf_ptr++ = '\r';
<strng>\\b *string_buf_ptr++ = '\b';
<strng>\\f *string_buf_ptr++ = '\f';
<strng>\\(.|\n) *(string_buf_ptr++) = yytext[1];
<strng>[^\\\n\"]+ { char *yptr = yytext; while (*yptr)
*(string_buf_ptr++) = *(yptr++); }
<strng>\n { yyerror("unterminated character constant");
return YYERRCODE; }
allowfullpagebitstream { yylval=NULL; return K_ALLOWFULLPAGEBITSTREAM; }
avr910_devcode { yylval=NULL; return K_AVR910_DEVCODE; }
bank_size { yylval=NULL; return K_PAGE_SIZE; }
banked { yylval=NULL; return K_PAGED; }
baudrate { yylval=NULL; return K_BAUDRATE; }
blocksize { yylval=NULL; return K_BLOCKSIZE; }
bs2 { yylval=NULL; return K_BS2; }
buff { yylval=NULL; return K_BUFF; }
bytedelay { yylval=NULL; return K_BYTEDELAY; }
chip_erase { yylval=new_token(K_CHIP_ERASE); return K_CHIP_ERASE; }
chip_erase_delay { yylval=NULL; return K_CHIP_ERASE_DELAY; }
chiperasepolltimeout { yylval=NULL; return K_CHIPERASEPOLLTIMEOUT; }
chiperasepulsewidth { yylval=NULL; return K_CHIPERASEPULSEWIDTH; }
chiperasetime { yylval=NULL; return K_CHIPERASETIME; }
cmdexedelay { yylval=NULL; return K_CMDEXEDELAY; }
connection_type { yylval=NULL; return K_CONNTYPE; }
dedicated { yylval=new_token(K_DEDICATED); return K_DEDICATED; }
default_bitclock { yylval=NULL; return K_DEFAULT_BITCLOCK; }
default_parallel { yylval=NULL; return K_DEFAULT_PARALLEL; }
default_programmer { yylval=NULL; return K_DEFAULT_PROGRAMMER; }
default_safemode { yylval=NULL; return K_DEFAULT_SAFEMODE; }
default_serial { yylval=NULL; return K_DEFAULT_SERIAL; }
delay { yylval=NULL; return K_DELAY; }
desc { yylval=NULL; return K_DESC; }
family_id { yylval=NULL; return K_FAMILY_ID; }
devicecode { yylval=NULL; return K_DEVICECODE; }
eecr { yylval=NULL; return K_EECR; }
eeprom { yylval=NULL; return K_EEPROM; }
eeprom_instr { yylval=NULL; return K_EEPROM_INSTR; }
enablepageprogramming { yylval=NULL; return K_ENABLEPAGEPROGRAMMING; }
errled { yylval=NULL; return K_ERRLED; }
flash { yylval=NULL; return K_FLASH; }
flash_instr { yylval=NULL; return K_FLASH_INSTR; }
has_debugwire { yylval=NULL; return K_HAS_DW; }
has_jtag { yylval=NULL; return K_HAS_JTAG; }
has_pdi { yylval=NULL; return K_HAS_PDI; }
has_tpi { yylval=NULL; return K_HAS_TPI; }
has_updi { yylval=NULL; return K_HAS_UPDI; }
hventerstabdelay { yylval=NULL; return K_HVENTERSTABDELAY; }
hvleavestabdelay { yylval=NULL; return K_HVLEAVESTABDELAY; }
hvsp_controlstack { yylval=NULL; return K_HVSP_CONTROLSTACK; }
hvspcmdexedelay { yylval=NULL; return K_HVSPCMDEXEDELAY; }
id { yylval=NULL; return K_ID; }
idr { yylval=NULL; return K_IDR; }
io { yylval=new_token(K_IO); return K_IO; }
is_at90s1200 { yylval=NULL; return K_IS_AT90S1200; }
is_avr32 { yylval=NULL; return K_IS_AVR32; }
latchcycles { yylval=NULL; return K_LATCHCYCLES; }
load_ext_addr { yylval=new_token(K_LOAD_EXT_ADDR); return K_LOAD_EXT_ADDR; }
loadpage_hi { yylval=new_token(K_LOADPAGE_HI); return K_LOADPAGE_HI; }
loadpage_lo { yylval=new_token(K_LOADPAGE_LO); return K_LOADPAGE_LO; }
max_write_delay { yylval=NULL; return K_MAX_WRITE_DELAY; }
mcu_base { yylval=NULL; return K_MCU_BASE; }
memory { yylval=NULL; return K_MEMORY; }
min_write_delay { yylval=NULL; return K_MIN_WRITE_DELAY; }
miso { yylval=NULL; return K_MISO; }
mode { yylval=NULL; return K_MODE; }
mosi { yylval=NULL; return K_MOSI; }
no { yylval=new_token(K_NO); return K_NO; }
num_banks { yylval=NULL; return K_NUM_PAGES; }
num_pages { yylval=NULL; return K_NUM_PAGES; }
nvm_base { yylval=NULL; return K_NVM_BASE; }
ocd_base { yylval=NULL; return K_OCD_BASE; }
ocdrev { yylval=NULL; return K_OCDREV; }
offset { yylval=NULL; return K_OFFSET; }
page_size { yylval=NULL; return K_PAGE_SIZE; }
paged { yylval=NULL; return K_PAGED; }
pagel { yylval=NULL; return K_PAGEL; }
parallel { yylval=NULL; return K_PARALLEL; }
parent { yylval=NULL; return K_PARENT; }
part { yylval=NULL; return K_PART; }
pgm_enable { yylval=new_token(K_PGM_ENABLE); return K_PGM_ENABLE; }
pgmled { yylval=NULL; return K_PGMLED; }
pollindex { yylval=NULL; return K_POLLINDEX; }
pollmethod { yylval=NULL; return K_POLLMETHOD; }
pollvalue { yylval=NULL; return K_POLLVALUE; }
postdelay { yylval=NULL; return K_POSTDELAY; }
poweroffdelay { yylval=NULL; return K_POWEROFFDELAY; }
pp_controlstack { yylval=NULL; return K_PP_CONTROLSTACK; }
predelay { yylval=NULL; return K_PREDELAY; }
progmodedelay { yylval=NULL; return K_PROGMODEDELAY; }
programfusepolltimeout { yylval=NULL; return K_PROGRAMFUSEPOLLTIMEOUT; }
programfusepulsewidth { yylval=NULL; return K_PROGRAMFUSEPULSEWIDTH; }
programlockpolltimeout { yylval=NULL; return K_PROGRAMLOCKPOLLTIMEOUT; }
programlockpulsewidth { yylval=NULL; return K_PROGRAMLOCKPULSEWIDTH; }
programmer { yylval=NULL; return K_PROGRAMMER; }
pseudo { yylval=new_token(K_PSEUDO); return K_PSEUDO; }
pwroff_after_write { yylval=NULL; return K_PWROFF_AFTER_WRITE; }
rampz { yylval=NULL; return K_RAMPZ; }
rdyled { yylval=NULL; return K_RDYLED; }
read { yylval=new_token(K_READ); return K_READ; }
read_hi { yylval=new_token(K_READ_HI); return K_READ_HI; }
read_lo { yylval=new_token(K_READ_LO); return K_READ_LO; }
readback_p1 { yylval=NULL; return K_READBACK_P1; }
readback_p2 { yylval=NULL; return K_READBACK_P2; }
readsize { yylval=NULL; return K_READSIZE; }
reset { yylval=new_token(K_RESET); return K_RESET; }
resetdelay { yylval=NULL; return K_RESETDELAY; }
resetdelayms { yylval=NULL; return K_RESETDELAYMS; }
resetdelayus { yylval=NULL; return K_RESETDELAYUS; }
retry_pulse { yylval=NULL; return K_RETRY_PULSE; }
sck { yylval=new_token(K_SCK); return K_SCK; }
serial { yylval=NULL; return K_SERIAL; }
signature { yylval=NULL; return K_SIGNATURE; }
size { yylval=NULL; return K_SIZE; }
spmcr { yylval=NULL; return K_SPMCR; }
stabdelay { yylval=NULL; return K_STABDELAY; }
stk500_devcode { yylval=NULL; return K_STK500_DEVCODE; }
synchcycles { yylval=NULL; return K_SYNCHCYCLES; }
synchloops { yylval=NULL; return K_SYNCHLOOPS; }
timeout { yylval=NULL; return K_TIMEOUT; }
togglevtg { yylval=NULL; return K_TOGGLEVTG; }
type { yylval=NULL; return K_TYPE; }
usb { yylval=NULL; return K_USB; }
usbdev { yylval=NULL; return K_USBDEV; }
usbpid { yylval=NULL; return K_USBPID; }
usbproduct { yylval=NULL; return K_USBPRODUCT; }
usbsn { yylval=NULL; return K_USBSN; }
usbvendor { yylval=NULL; return K_USBVENDOR; }
usbvid { yylval=NULL; return K_USBVID; }
vcc { yylval=NULL; return K_VCC; }
vfyled { yylval=NULL; return K_VFYLED; }
write { yylval=new_token(K_WRITE); return K_WRITE; }
write_hi { yylval=new_token(K_WRITE_HI); return K_WRITE_HI; }
write_lo { yylval=new_token(K_WRITE_LO); return K_WRITE_LO; }
writepage { yylval=new_token(K_WRITEPAGE); return K_WRITEPAGE; }
yes { yylval=new_token(K_YES); return K_YES; }
"," { yylval = NULL; pyytext(); return TKN_COMMA; }
"=" { yylval = NULL; pyytext(); return TKN_EQUAL; }
";" { yylval = NULL; pyytext(); return TKN_SEMI; }
"~" { yylval = NULL; pyytext(); return TKN_TILDE; }
"(" { yylval = NULL; pyytext(); return TKN_LEFT_PAREN; }
")" { yylval = NULL; pyytext(); return TKN_RIGHT_PAREN; }
"\n" { lineno++; }
[ \r\t]+ { /* ignore whitespace */ }
c: { yyerror("possible old-style config file entry\n"
" Update your config file (see " CONFIG_DIR
"/avrdude.conf.sample for a sample)");
return YYERRCODE; }
. { return YYERRCODE; }
%%
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