mirror of
https://github.com/mariusgreuel/avrdude.git
synced 2025-09-27 22:45:27 +00:00
Use lex/yacc for parsing the config file. Re-work the config file
format using a more human-readable format. Read part descriptions from the config file now instead of hard-coding them. Update usage(). Cleanup unused code. git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@79 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Brian S. Dean
307
config_gram.y
Normal file
307
config_gram.y
Normal file
@@ -0,0 +1,307 @@
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/* $Id$ */
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%token K_BANK_SIZE
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%token K_BANKED
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%token K_BUFF
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%token K_CHIP_ERASE_DELAY
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%token K_DESC
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%token K_EEPROM
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%token K_ERRLED
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%token K_FLASH
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%token K_ID
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%token K_MAX_WRITE_DELAY
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%token K_MIN_WRITE_DELAY
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%token K_MISO
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%token K_MOSI
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%token K_NO
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%token K_NUM_BANKS
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%token K_PART
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%token K_PGMLED
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%token K_PROGRAMMER
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%token K_RDYLED
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%token K_READBACK_P1
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%token K_READBACK_P2
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%token K_RESET
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%token K_SCK
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%token K_SIZE
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%token K_VCC
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%token K_VFYLED
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%token K_YES
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%token TKN_COMMA
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%token TKN_EQUAL
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%token TKN_SEMI
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%token TKN_NUMBER
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%token TKN_STRING
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%token TKN_ID
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%start config
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%%
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config :
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def |
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config def
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;
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def :
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prog_def TKN_SEMI |
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part_def TKN_SEMI
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;
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prog_def :
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K_PROGRAMMER
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{ current_prog = new_programmer(); }
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prog_parms
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{
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if (lsize(current_prog->id) == 0) {
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fprintf(stderr,
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"%s: error at %s:%d: required parameter id not specified\n",
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progname, infile, lineno);
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exit(1);
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}
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ladd(programmers, current_prog);
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current_prog = NULL;
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}
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;
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part_def :
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K_PART
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{ current_part = avr_new_part(); }
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part_parms
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{
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if (current_part->id[0] == 0) {
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fprintf(stderr,
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"%s: error at %s:%d: required parameter id not specified\n",
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progname, infile, lineno);
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exit(1);
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}
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ladd(part_list, current_part);
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current_part = NULL;
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}
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;
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string_list :
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TKN_STRING { ladd(string_list, $1); } |
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string_list TKN_COMMA TKN_STRING { ladd(string_list, $3); }
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;
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num_list :
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TKN_NUMBER { ladd(number_list, $1); } |
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num_list TKN_COMMA TKN_NUMBER { ladd(number_list, $3); }
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;
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prog_parms :
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prog_parm TKN_SEMI |
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prog_parms prog_parm TKN_SEMI
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;
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prog_parm :
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K_ID TKN_EQUAL string_list {
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{
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TOKEN * t;
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while (lsize(string_list)) {
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t = lrmv_n(string_list, 1);
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ladd(current_prog->id, dup_string(t->value.string));
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free_token(t);
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}
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}
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} |
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K_DESC TKN_EQUAL TKN_STRING {
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strncpy(current_prog->desc, $3->value.string, PGM_DESCLEN);
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current_prog->desc[PGM_DESCLEN-1] = 0;
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free_token($3);
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} |
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K_VCC TKN_EQUAL num_list {
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{
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TOKEN * t;
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int pin;
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current_prog->pinno[PPI_AVR_VCC] = 0;
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while (lsize(number_list)) {
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t = lrmv_n(number_list, 1);
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pin = t->value.number;
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if ((pin < 2) || (pin > 9)) {
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fprintf(stderr,
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"%s: error at line %d of %s: VCC must be one or more "
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"pins from the range 2-9\n",
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progname, lineno, infile);
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exit(1);
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}
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current_prog->pinno[PPI_AVR_VCC] |= (1 << (pin-2));
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free_token(t);
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}
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}
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} |
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K_RESET TKN_EQUAL TKN_NUMBER { assign_pin(PIN_AVR_RESET, $3); } |
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K_SCK TKN_EQUAL TKN_NUMBER { assign_pin(PIN_AVR_SCK, $3); } |
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K_MOSI TKN_EQUAL TKN_NUMBER { assign_pin(PIN_AVR_MOSI, $3); } |
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K_MISO TKN_EQUAL TKN_NUMBER { assign_pin(PIN_AVR_MISO, $3); } |
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K_BUFF TKN_EQUAL TKN_NUMBER { assign_pin(PIN_AVR_BUFF, $3); } |
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K_ERRLED TKN_EQUAL TKN_NUMBER { assign_pin(PIN_LED_ERR, $3); } |
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K_RDYLED TKN_EQUAL TKN_NUMBER { assign_pin(PIN_LED_RDY, $3); } |
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K_PGMLED TKN_EQUAL TKN_NUMBER { assign_pin(PIN_LED_PGM, $3); } |
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K_VFYLED TKN_EQUAL TKN_NUMBER { assign_pin(PIN_LED_VFY, $3); }
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;
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part_parms :
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part_parm TKN_SEMI |
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part_parms part_parm TKN_SEMI
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;
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part_parm :
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K_ID TKN_EQUAL TKN_STRING
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{
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strncpy(current_part->id, $3->value.string, AVR_IDLEN);
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current_part->id[AVR_IDLEN-1] = 0;
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free_token($3);
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} |
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K_DESC TKN_EQUAL TKN_STRING
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{
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strncpy(current_part->desc, $3->value.string, AVR_DESCLEN);
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current_part->desc[AVR_DESCLEN-1] = 0;
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free_token($3);
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} |
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K_CHIP_ERASE_DELAY TKN_EQUAL TKN_NUMBER
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{
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current_part->chip_erase_delay = $3->value.number;
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free_token($3);
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} |
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K_EEPROM { current_mem = AVR_M_EEPROM; }
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mem_specs |
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K_FLASH { current_mem = AVR_M_FLASH; }
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mem_specs
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;
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yesno :
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K_YES | K_NO
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;
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mem_specs :
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mem_spec TKN_SEMI |
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mem_specs mem_spec TKN_SEMI
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;
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mem_spec :
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K_BANKED TKN_EQUAL yesno
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{
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current_part->mem[current_mem].banked = $3->primary == K_YES ? 1 : 0;
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free_token($3);
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} |
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K_SIZE TKN_EQUAL TKN_NUMBER
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{
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current_part->mem[current_mem].size = $3->value.number;
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free_token($3);
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} |
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K_BANK_SIZE TKN_EQUAL TKN_NUMBER
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{
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current_part->mem[current_mem].bank_size = $3->value.number;
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free_token($3);
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} |
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K_NUM_BANKS TKN_EQUAL TKN_NUMBER
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{
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current_part->mem[current_mem].num_banks = $3->value.number;
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free_token($3);
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} |
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K_MIN_WRITE_DELAY TKN_EQUAL TKN_NUMBER
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{
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current_part->mem[current_mem].min_write_delay = $3->value.number;
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free_token($3);
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} |
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K_MAX_WRITE_DELAY TKN_EQUAL TKN_NUMBER
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{
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current_part->mem[current_mem].max_write_delay = $3->value.number;
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free_token($3);
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} |
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K_READBACK_P1 TKN_EQUAL TKN_NUMBER
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{
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current_part->mem[current_mem].readback[0] = $3->value.number;
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free_token($3);
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} |
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K_READBACK_P2 TKN_EQUAL TKN_NUMBER
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{
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current_part->mem[current_mem].readback[1] = $3->value.number;
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free_token($3);
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}
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;
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%%
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#include <string.h>
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#include <math.h>
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#include "config.h"
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#include "lists.h"
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#include "pindefs.h"
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#include "avr.h"
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extern char * progname;
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int yylex(void);
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int yyerror(char * errmsg);
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#if 0
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static char * vtypestr(int type)
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{
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switch (type) {
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case V_NUM : return "NUMERIC";
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case V_STR : return "STRING";
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default:
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return "<UNKNOWN>";
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}
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}
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#endif
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static int assign_pin(int pinno, TOKEN * v)
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{
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int value;
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value = v->value.number;
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if ((value <= 0) || (value >= 18)) {
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fprintf(stderr,
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"%s: error at line %d of %s: pin must be in the "
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"range 1-17\n",
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progname, lineno, infile);
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exit(1);
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}
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current_prog->pinno[pinno] = value;
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return 0;
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}
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