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// Copyright (c) 2024, Marvin Borner <dev@marvinborner.de>
// SPDX-License-Identifier: MIT
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <target.h>
#include <term.h>
#include <log.h>
#include <parse.h>
// automatically generated using gengetopt
#include "cmdline.h"
#define BUF_SIZE 1024
static char *read_stdin(void)
{
debug("reading from stdin\n");
freopen(NULL, "rb", stdin);
size_t size = 1;
char *string = malloc(sizeof(char) * BUF_SIZE);
if (!string)
fatal("out of memory!\n");
char ch;
while (fread(&ch, sizeof(char), 1, stdin) == 1) {
if (size % BUF_SIZE == 0) {
string = realloc(string,
sizeof(char) * (size + BUF_SIZE));
if (!string)
fatal("out of memory!\n");
}
string[size - 1] = ch;
size++;
}
string[size - 1] = '\0';
if (ferror(stdin)) {
free(string);
fatal("can't read from stdin\n");
}
return string;
}
static char *read_file(FILE *f)
{
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
char *string = malloc(fsize + 1);
if (!string)
fatal("out of memory!\n");
int ret = fread(string, fsize, 1, f);
if (ret != 1) {
free(string);
fatal("can't read file: %s\n", strerror(errno));
}
string[fsize] = 0;
return string;
}
static char *read_path(const char *path)
{
debug("reading from %s\n", path);
FILE *f = fopen(path, "rb");
if (!f)
fatal("can't open file %s: %s\n", path, strerror(errno));
char *string = read_file(f);
fclose(f);
return string;
}
int main(int argc, char **argv)
{
struct gengetopt_args_info args;
if (cmdline_parser(argc, argv, &args))
exit(1);
debug_enable(args.verbose_flag);
char *input;
if (args.input_arg[0] == '-') {
input = read_stdin();
} else {
input = read_path(args.input_arg);
}
if (!input)
return 1;
if (args.target_arg) {
struct bloc_parsed *bloc = parse_bloc(input);
FILE *file =
args.output_arg ? fopen(args.output_arg, "wb") : stdout;
exec_target(args.target_arg, bloc, file);
fclose(file);
free(input);
free_bloc(bloc);
return 0;
}
fatal("invalid options: use --help for information\n");
return 1;
}
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