instruction_ptr Parser::parse_instruction()
{
if (!ErrorHandler::is_ok())
return instruction_ptr();
save();
instruction_ptr result = parse_assignment();
if (!result)
{
restore();
result = parse_expression();
}
if (!result)
result = parse_if_block();
if (!result)
result = parse_while_block();
if (!result)
result = parse_return();
if (!result)
result = parse_print();
if (!result)
result = parse_read();
if (result)
next_line();
return result;
}
void parse(u8 *string)
{
u16 wordNumber;
u8 *wordString; // the string data of the word
memset(word_string, 0, sizeof(word_string));
memset(word_num, 0, sizeof(word_num));
parse_read(string);
word_total = 0;
strPtr = parse_string;
while ((*strPtr != 0) && (word_total < WORD_BUF_SIZE))
{
wordString = strPtr;
wordNumber = word_find();
if (wordNumber == 0xFFFF) // bad
{
word_string[word_total] = strPtr;
state.var[V09_BADWORD] = word_total + 1; // bad word
word_total++;
assert(word_total > 0); // we need flag 2 set
break;
}
if (wordNumber != WORD_IGNORE) // good
{
word_num[word_total] = wordNumber;
word_string[word_total] = wordString;
word_total++;
}
// if WORD_IGNORE then skip it
}
if (word_total > 0)
flag_set(F02_PLAYERCMD);
}
static int cache_fd(const int fd, char **buf, char **tab, char **line)
{
int ret;
int i;
char *temp;
char *temp2;
i = 0;
ret = 1;
temp = line[0];
temp2 = NULL;
if ((ret = check_tab(&tab[fd], line, buf)) != 3)
return (ret);
else
{
if ((ret = read(fd, buf[0], BUFF_SIZE)) != 0)
{
if (ret < 0)
return (ret);
return (parse_read(&tab[fd], buf, line, NULL));
}
}
return (ft_strlen(*line) == 0 ? 0 : 1);
}
uint16_t handle_StreamsCommand(TCF_Command* command, char* buf) {
TCF_Streams_Command streams_cmd;
/* Start building return message */
start_tcf_field(buf, (char *)TCF_S_R); /* Start */
append_tcf_field(buf, command->token); /* Token */
if (strcmp(command->commandName, Streams_Read) == 0) {
/* C • <token> • Streams • read • <string: stream ID> • <int: size> • */
/* R • <token> • <string: data> • <error report> • <int: lost size> • <boolean: EOS> */
if(parse_read(command->arguments,&streams_cmd,command->args_len) != E_OK){
return 0;
}
/* Add data field */
mystrcat(buf, JSON_Stringify);
int len = TCF_TTY_ReadString(tmp_stream, 199);
if(len >= 200){
return 0;
}
tmp_stream[len] = '\0'; /* Terminate to be sure */
mystrcat(buf, tmp_stream);
mystrcat(buf, JSON_Stringify);
mystrcat(buf, TCF_S_EOFIELD_MARKER);
/* Add error field */
mystrcat(buf, JSON_null);
mystrcat(buf, TCF_S_EOFIELD_MARKER);
//mystrcat(buf, Streams_LostSize);
ultoa(0,tmp_stream,10);
mystrcat(buf,tmp_stream);
mystrcat(buf, TCF_S_EOFIELD_MARKER);
//mystrcat(buf, Streams_EOS);
mystrcat(buf, Streams_false);
mystrcat(buf, TCF_S_EOFIELD_MARKER);
} else if (strcmp(command->commandName, Streams_Write) == 0) {
/* C • <token> • Streams • write • <string: stream ID> • <int: size> • <string: data> • */
/* R • <token> • <error report> */
if(parse_write(command->arguments,&streams_cmd,command->args_len) != E_OK){
return 0;
}
/* Add error field */
mystrcat(buf, JSON_null);
mystrcat(buf, TCF_S_EOFIELD_MARKER);
} else if (strcmp(command->commandName, Streams_Subscribe) == 0) {
/* R • <token> • <error report> */
if(parse_id(command->arguments,&streams_cmd,command->args_len) != E_OK){
return 0;
}
/* Add error field */
mystrcat(buf, JSON_null);
mystrcat(buf, TCF_S_EOFIELD_MARKER);
}else if (strcmp(command->commandName, Streams_Unsubscribe) == 0) {
/* R • <token> • <error report> */
if(parse_id(command->arguments,&streams_cmd,command->args_len) != E_OK){
return 0;
}
/* Add error field */
mystrcat(buf, JSON_null);
mystrcat(buf, TCF_S_EOFIELD_MARKER);
}else if (strcmp(command->commandName, Streams_Connect) == 0) {
/* R • <token> • <error report> */
if(parse_id(command->arguments,&streams_cmd,command->args_len) != E_OK){
return 0;
}
/* Add error field */
mystrcat(buf, JSON_null);
mystrcat(buf, TCF_S_EOFIELD_MARKER);
}else if (strcmp(command->commandName, Streams_Disconnect) == 0) {
/* R • <token> • <error report> */
if(parse_id(command->arguments,&streams_cmd,command->args_len) != E_OK){
return 0;
}
/* Add error field */
mystrcat(buf, JSON_null);
mystrcat(buf, TCF_S_EOFIELD_MARKER);
}
convert_to_tcf_message(buf);
uint16_t len = message_length(buf, TCF_MAX_FIELD_LENGTH);
return len;
}
int main(int argc, char* argv[])
{
if (argc != 2) {
fprintf(stderr, "[-] Error: usage: %s config_file\n", argv[0]);
return EXIT_FAILURE;
}
char* filename = argv[1];
FILE* fp = fopen(filename, "r");
if (!fp) {
fprintf(stderr, "[-] Error: failed to open file %s\n", filename);
return EXIT_FAILURE;
}
/* File buffer */
char* buffer;
int nbytes = 128;
buffer = (char*)malloc(2048*sizeof(char));
/* Parsing vars */
int m_size;
int p_id;
int p_size;
int r_page;
int r_id;
int w_page;
int w_id;
int e_id;
init_process_table();
/* Main loop */
while ((getline(&buffer, (size_t*)&nbytes, fp) != -1)) {
/* Todas as operações começam com letras diferentes */
switch(buffer[0]) {
case 'M': /* MEMSIZE SIZE */
case 'm':
parse_memsize(buffer, &m_size);
printf("[+] MEMSIZE %d\n", m_size);
memsize(m_size);
break;
case 'P': /* PROCSIZE ID SIZE */
case 'p':
parse_procsize(buffer, &p_id, &p_size);
printf("[+] PROCSIZE %d %d\n", p_id, p_size);
procsize(p_id, p_size);
break;
case 'R': /* READ PAGE ID */
case 'r':
parse_read(buffer, &r_page, &r_id);
printf("[+] READ %d %d\n", r_page, r_id);
read_p(r_page, r_id);
break;
case 'W': /* WRITE PAGE ID */
case 'w':
parse_write(buffer, &w_page, &w_id);
printf("[+] WRITE %d %d\n", w_page, w_id);
write_p(w_page, w_id);
break;
case 'E': /* ENDPROC ID */
case 'e':
parse_endproc(buffer, &e_id);
printf("[+] ENDPROC %d\n", e_id);
endproc(e_id);
break;
default:
printf("[-] Invalid Operation!\n");
}
}
/* Write stats here */
write_stats();
fclose(fp);
return EXIT_SUCCESS;
}
void parse_options(int argc, char* argv[]) { // {{{
int c;
int digit_optind = 0;
struct config_t* cfg = config_init(config());
int _did_reset_discc = 0;
while (1) {
int this_option_optind = optind ? optind : 1;
int option_index = 0;
static struct option long_options[] = {
{"0", no_argument, 0, '0' },
{"minage", required_argument, 0, 'm' },
{"eval", required_argument, 0, 'e' },
{"hard-link", no_argument, 0, 'H' },
{"symbolic-link", no_argument, 0, 'L' },
{"show-merge-0", required_argument, 0, 'O' },
{"show-merge", required_argument, 0, 'o' },
{"dry-run", no_argument, 0, 'n' },
{"nice", required_argument, 0, 'N' },
{"ionice", required_argument, 0, 'i' },
{"cgroup", required_argument, 0, 'c' },
{"verbose", no_argument, 0, 'v' },
{"jobs", required_argument, 0, 'j' },
{"read", required_argument, 0, 'R' },
{"help", no_argument, 0, '?' },
{0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "0m:e:HLO:o:nN:i:c:t:vj:R:h",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case '0':
path_source_set(&cfg->flags, PATHSOURCE_STDIN0);
break;
case 'm':
cfg->minage = parse_age(optarg);
break;
case 'e':
if (!_did_reset_discc) {
_did_reset_discc = 1;
cfg->discriminantc = 0;
}
discriminantv_parse(optarg, cfg->discriminantv + cfg->discriminantc++);
break;
case 'H':
link_type_set_hard(cfg->flags);
break;
case 'L':
link_type_set_symb(cfg->flags);
break;
case 'O':
cfg->report_file = strdup(optarg);
cfg->report_separator = '\0';
break;
case 'o':
cfg->report_file = strdup(optarg);
cfg->report_separator = '\n';
break;
case 'n':
cfg->flags |= CONFIG_DRYRUN;
break;
case 'N':
if (sscanf(optarg, "%d", &cfg->nice) != 1)
fatal("Invalid nice level (expecting an positive integer value).\n");
if (cfg->nice < 0)
fatal("Only positive integers are allowed in nice value.\n");
break;
case 'i':
cfg->ionice = ionice_parse(optarg);
break;
case 'c':
cfg->cgroups = realloc(cfg->cgroups, ++cfg->cgroupc * sizeof(char*));
cfg->cgroups[cfg->cgroupc-1] = strdup(optarg);
break;
case 'v':
cfg->verbose++;
break;
case 'R':
parse_read(optarg, &cfg->read_policy, &cfg->bufsize);
break;
case '?':
case 'h':
help();
exit(0);
default:
fatal("Unknown switch %s\n.", argv[option_index]);
}
}
discriminantv_post_parse(cfg->discriminantv, cfg->discriminantc);
if (cfg->report_file) {
if (!strcmp(cfg->report_file, "-"))
cfg->report_fd = 0;
else
cfg->report_fd = open(cfg->report_file, O_CREAT | O_RDWR | O_TRUNC, 0640);
if (cfg->report_fd < 0)
fatal("Could not open file %s: %s.\n", cfg->report_file, strerror(errno));
}
if (optind < argc) {
if ((cfg->flags & PATHSOURCE_ARGS) == 0)
fatal("Extra arguments found.\n");
while (optind < argc)
add_path(argv[optind++]);
} else if ((cfg->flags & PATHSOURCE_STDIN) == 0) {
path_source_set(&cfg->flags, PATHSOURCE_STDIN);
}
} // }}}
