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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 "ac_cfg.h"
#include "avrdude.h"
#include "libavrdude.h"
#include "config.h"
#include "config_gram.h"
#ifndef YYERRCODE
#define YYERRCODE 256
#endif
/* capture lvalue keywords to associate comments with that assignment */
#define ccap() capture_lvalue_kw(yytext, cfg_lineno)
static void adjust_cfg_lineno(const char *p) {
while(*p)
if(*p++ == '\n')
cfg_lineno++;
}
%}
DIGIT [0-9]
HEXDIGIT [0-9a-fA-F]
SIGN [+-]
%option nounput
/* Bump resources for classic lex. */
%e2000
%p10000
%n1000
%%
{DIGIT}+ { yylval = new_number(yytext); return TKN_NUMBER; /* sign is treated in grammar */ }
{SIGN}?{DIGIT}+"."{DIGIT}* { yylval = new_number_real(yytext); return TKN_NUMBER_REAL; }
{SIGN}?"."{DIGIT}+ { yylval = new_number_real(yytext); return TKN_NUMBER_REAL; }
["]([^"\\\n]|\\.|\\\n)*["] {
char *str= cfg_strdup("lexer.l", yytext);
cfg_unescape(str, str+1);
size_t len = strlen(str);
if(len)
str[len-1] = 0;
yylval = new_string(str);
free(str);
return TKN_STRING;
}
0x{HEXDIGIT}+ { yylval = new_hexnumber(yytext); return TKN_NUMBER; }
#\n#\ PROGRAMMER\ DEFINITIONS\n#\n+ { /* Record comments so far as prologue and skip */
cfg_capture_prologue();
adjust_cfg_lineno(yytext);
}
#\n#\ PART\ DEFINITIONS\n#\n+ { /* Ignore part definions header */
adjust_cfg_lineno(yytext);
}
[ \t]*#[^\n]*\n+ { /* Record and skip # comments including preceding white space */
capture_comment_str(yytext, cfg_lineno);
adjust_cfg_lineno(yytext);
}
"/*" { /* The following eats multiline C style comments, they are not captured */
int c;
int comment_start;
comment_start = cfg_lineno;
while (1) {
while (((c = input()) != '*') && (c != EOF)) {
/* eat up text of comment, but keep counting lines */
if (c == '\n')
cfg_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;
}
}
}
(?x: prog_modes | mcuid | n_interrupts | n_page_erase | n_word_writes | n_boot_sections |
boot_section_size | autobaud_sync | idr | rampz | spmcr | eecr | eind ) { /* struct components */
Component_t *cp = cfg_comp_search(yytext, current_strct);
if(!cp) {
yyerror("unknown component %s in %s", yytext, cfg_strct_name(current_strct));
return YYERRCODE;
}
yylval = new_token(TKN_COMPONENT);
yylval->value.comp = cp;
ccap();
return TKN_COMPONENT;
}
PM_(SPM|TPI|ISP|PDI|UPDI|HVSP|HVPP|debugWIRE|JTAG|JTAGmkI|XMEGAJTAG|AVR32JTAG|aWire) { /* Constants */
yylval = new_constant(yytext);
return TKN_NUMBER;
}
alias { yylval=NULL; return K_ALIAS; }
allowfullpagebitstream { yylval=NULL; ccap(); return K_ALLOWFULLPAGEBITSTREAM; }
avr910_devcode { yylval=NULL; ccap(); return K_AVR910_DEVCODE; }
bank_size { yylval=NULL; return K_PAGE_SIZE; }
banked { yylval=NULL; return K_PAGED; }
baudrate { yylval=NULL; ccap(); return K_BAUDRATE; }
blocksize { yylval=NULL; ccap(); return K_BLOCKSIZE; }
bs2 { yylval=NULL; ccap(); return K_BS2; }
buff { yylval=NULL; ccap(); return K_BUFF; }
bytedelay { yylval=NULL; ccap(); return K_BYTEDELAY; }
chip_erase { yylval=new_token(K_CHIP_ERASE); ccap(); return K_CHIP_ERASE; }
chip_erase_delay { yylval=NULL; ccap(); return K_CHIP_ERASE_DELAY; }
chiperasepolltimeout { yylval=NULL; ccap(); return K_CHIPERASEPOLLTIMEOUT; }
chiperasepulsewidth { yylval=NULL; ccap(); return K_CHIPERASEPULSEWIDTH; }
chiperasetime { yylval=NULL; ccap(); return K_CHIPERASETIME; }
cmdexedelay { yylval=NULL; ccap(); return K_CMDEXEDELAY; }
connection_type { yylval=NULL; ccap(); 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_serial { yylval=NULL; return K_DEFAULT_SERIAL; }
default_spi { yylval=NULL; return K_DEFAULT_SPI; }
delay { yylval=NULL; ccap(); return K_DELAY; }
desc { yylval=NULL; ccap(); return K_DESC; }
devicecode { yylval=NULL; ccap(); return K_DEVICECODE; }
eeprom { yylval=NULL; return K_EEPROM; }
eeprom_instr { yylval=NULL; ccap(); return K_EEPROM_INSTR; }
enablepageprogramming { yylval=NULL; ccap(); return K_ENABLEPAGEPROGRAMMING; }
errled { yylval=NULL; ccap(); return K_ERRLED; }
family_id { yylval=NULL; ccap(); return K_FAMILY_ID; }
flash { yylval=NULL; return K_FLASH; }
flash_instr { yylval=NULL; ccap(); return K_FLASH_INSTR; }
has_debugwire { yylval=NULL; ccap(); return K_HAS_DW; }
has_jtag { yylval=NULL; ccap(); return K_HAS_JTAG; }
has_pdi { yylval=NULL; ccap(); return K_HAS_PDI; }
has_tpi { yylval=NULL; ccap(); return K_HAS_TPI; }
has_updi { yylval=NULL; ccap(); return K_HAS_UPDI; }
hventerstabdelay { yylval=NULL; ccap(); return K_HVENTERSTABDELAY; }
hvleavestabdelay { yylval=NULL; ccap(); return K_HVLEAVESTABDELAY; }
hvsp_controlstack { yylval=NULL; ccap(); return K_HVSP_CONTROLSTACK; }
hvspcmdexedelay { yylval=NULL; ccap(); return K_HVSPCMDEXEDELAY; }
hvupdi_support { yylval=NULL; ccap(); return K_HVUPDI_SUPPORT; }
hvupdi_variant { yylval=NULL; ccap(); return K_HVUPDI_VARIANT; }
id { yylval=NULL; ccap(); return K_ID; }
io { yylval=new_token(K_IO); return K_IO; }
is_at90s1200 { yylval=NULL; ccap(); return K_IS_AT90S1200; }
is_avr32 { yylval=NULL; ccap(); return K_IS_AVR32; }
latchcycles { yylval=NULL; ccap(); return K_LATCHCYCLES; }
load_ext_addr { yylval=new_token(K_LOAD_EXT_ADDR); ccap(); return K_LOAD_EXT_ADDR; }
loadpage_hi { yylval=new_token(K_LOADPAGE_HI); ccap(); return K_LOADPAGE_HI; }
loadpage_lo { yylval=new_token(K_LOADPAGE_LO); ccap(); return K_LOADPAGE_LO; }
max_write_delay { yylval=NULL; ccap(); return K_MAX_WRITE_DELAY; }
mcu_base { yylval=NULL; ccap(); return K_MCU_BASE; }
memory { yylval=NULL; ccap(); current_strct = COMP_AVRMEM; return K_MEMORY; }
min_write_delay { yylval=NULL; ccap(); return K_MIN_WRITE_DELAY; }
miso { yylval=NULL; ccap(); return K_SDI; } // Deprecated
mode { yylval=NULL; ccap(); return K_MODE; }
mosi { yylval=NULL; ccap(); return K_SDO; } // Deprecated
no { yylval=new_token(K_NO); return K_NO; }
NULL { yylval=NULL; return K_NULL; }
num_banks { yylval=NULL; return K_NUM_PAGES; }
num_pages { yylval=NULL; ccap(); return K_NUM_PAGES; }
nvm_base { yylval=NULL; ccap(); return K_NVM_BASE; }
ocd_base { yylval=NULL; ccap(); return K_OCD_BASE; }
ocdrev { yylval=NULL; ccap(); return K_OCDREV; }
offset { yylval=NULL; ccap(); return K_OFFSET; }
paged { yylval=NULL; ccap(); return K_PAGED; }
pagel { yylval=NULL; ccap(); return K_PAGEL; }
page_size { yylval=NULL; ccap(); return K_PAGE_SIZE; }
parallel { yylval=NULL; ccap(); return K_PARALLEL; }
parent { yylval=NULL; return K_PARENT; }
part { yylval=NULL; ccap(); current_strct = COMP_AVRPART; return K_PART; }
pgm_enable { yylval=new_token(K_PGM_ENABLE); ccap(); return K_PGM_ENABLE; }
pgmled { yylval=NULL; ccap(); return K_PGMLED; }
pollindex { yylval=NULL; ccap(); return K_POLLINDEX; }
pollmethod { yylval=NULL; ccap(); return K_POLLMETHOD; }
pollvalue { yylval=NULL; ccap(); return K_POLLVALUE; }
postdelay { yylval=NULL; ccap(); return K_POSTDELAY; }
poweroffdelay { yylval=NULL; ccap(); return K_POWEROFFDELAY; }
pp_controlstack { yylval=NULL; ccap(); return K_PP_CONTROLSTACK; }
predelay { yylval=NULL; ccap(); return K_PREDELAY; }
progmodedelay { yylval=NULL; ccap(); return K_PROGMODEDELAY; }
programfusepolltimeout { yylval=NULL; ccap(); return K_PROGRAMFUSEPOLLTIMEOUT; }
programfusepulsewidth { yylval=NULL; ccap(); return K_PROGRAMFUSEPULSEWIDTH; }
programlockpolltimeout { yylval=NULL; ccap(); return K_PROGRAMLOCKPOLLTIMEOUT; }
programlockpulsewidth { yylval=NULL; ccap(); return K_PROGRAMLOCKPULSEWIDTH; }
programmer { yylval=NULL; ccap(); current_strct = COMP_PROGRAMMER; return K_PROGRAMMER; }
pseudo { yylval=new_token(K_PSEUDO); return K_PSEUDO; }
pwroff_after_write { yylval=NULL; ccap(); return K_PWROFF_AFTER_WRITE; }
rdyled { yylval=NULL; ccap(); return K_RDYLED; }
read { yylval=new_token(K_READ); ccap(); return K_READ; }
read_hi { yylval=new_token(K_READ_HI); ccap(); return K_READ_HI; }
read_lo { yylval=new_token(K_READ_LO); ccap(); return K_READ_LO; }
readback { yylval=NULL; ccap(); return K_READBACK; }
readback_p1 { yylval=NULL; ccap(); return K_READBACK_P1; }
readback_p2 { yylval=NULL; ccap(); return K_READBACK_P2; }
readsize { yylval=NULL; ccap(); return K_READSIZE; }
reset { yylval=new_token(K_RESET); ccap(); return K_RESET; }
resetdelay { yylval=NULL; ccap(); return K_RESETDELAY; }
resetdelayms { yylval=NULL; ccap(); return K_RESETDELAYMS; }
resetdelayus { yylval=NULL; ccap(); return K_RESETDELAYUS; }
retry_pulse { yylval=NULL; ccap(); return K_RETRY_PULSE; }
sck { yylval=new_token(K_SCK); ccap(); return K_SCK; }
sdi { yylval=NULL; ccap(); return K_SDI; }
sdo { yylval=NULL; ccap(); return K_SDO; }
serial { yylval=NULL; ccap(); return K_SERIAL; }
signature { yylval=NULL; ccap(); return K_SIGNATURE; }
size { yylval=NULL; ccap(); return K_SIZE; }
spi { yylval=NULL; return K_SPI; }
stabdelay { yylval=NULL; ccap(); return K_STABDELAY; }
stk500_devcode { yylval=NULL; ccap(); return K_STK500_DEVCODE; }
synchcycles { yylval=NULL; ccap(); return K_SYNCHCYCLES; }
synchloops { yylval=NULL; ccap(); return K_SYNCHLOOPS; }
timeout { yylval=NULL; ccap(); return K_TIMEOUT; }
togglevtg { yylval=NULL; ccap(); return K_TOGGLEVTG; }
type { yylval=NULL; ccap(); return K_TYPE; }
usb { yylval=NULL; return K_USB; }
usbdev { yylval=NULL; ccap(); return K_USBDEV; }
usbpid { yylval=NULL; ccap(); return K_USBPID; }
usbproduct { yylval=NULL; ccap(); return K_USBPRODUCT; }
usbsn { yylval=NULL; ccap(); return K_USBSN; }
usbvendor { yylval=NULL; ccap(); return K_USBVENDOR; }
usbvid { yylval=NULL; ccap(); return K_USBVID; }
vcc { yylval=NULL; ccap(); return K_VCC; }
vfyled { yylval=NULL; ccap(); return K_VFYLED; }
write { yylval=new_token(K_WRITE); ccap(); return K_WRITE; }
write_hi { yylval=new_token(K_WRITE_HI); ccap(); return K_WRITE_HI; }
write_lo { yylval=new_token(K_WRITE_LO); ccap(); return K_WRITE_LO; }
writepage { yylval=new_token(K_WRITEPAGE); ccap(); 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 OP_OR; }
"^" { yylval = NULL; pyytext(); return OP_XOR; }
"&" { yylval = NULL; pyytext(); return OP_AND; }
"+" { yylval = NULL; pyytext(); return OP_PLUS; }
"-" { yylval = NULL; pyytext(); return OP_MINUS; }
"*" { yylval = NULL; pyytext(); return OP_TIMES; }
"/" { yylval = NULL; pyytext(); return OP_DIVIDE; }
"%" { yylval = NULL; pyytext(); return OP_MODULO; }
"~" { yylval = NULL; pyytext(); return OP_TILDE; }
"(" { yylval = NULL; pyytext(); return TKN_LEFT_PAREN; }
")" { yylval = NULL; pyytext(); return TKN_RIGHT_PAREN; }
"\n" { cfg_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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