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Diffstat (limited to 'src/avrdude/lexer.l')
| -rw-r--r-- | src/avrdude/lexer.l | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/avrdude/lexer.l b/src/avrdude/lexer.l new file mode 100644 index 000000000..34af33d64 --- /dev/null +++ b/src/avrdude/lexer.l @@ -0,0 +1,262 @@ +/* + * 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; } +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; } +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; } +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; } + +%% + |