int main (int argc, char const* argv[])
{
FILE *bin;
int last_instp; /* address of top of inst stack after code generation */
progname = argv[0];
if ( argc == 1 ) {
/* no file name specified, read stdin */
ic_file = stdin;
} else if (argc == 2 ) {
ic_file = fopen(argv[1], "r");
} else {
printf("Usage:\n\tpseudoci <PseudoCIntermediateCode.pcb>\n");
exit(1);
}
bin = fopen(OUTPUTFILE, "wb");
assert( bin != NULL );
assert( ic_file != NULL );
init();
/* generate byte-code
* TODO: if there is a bytecode file, just use it
* there are issues: compile time, ...
*/
last_instp = generate_bytecode();
if ( !check_label_locs() ) {
eprint(" !!! There were undefined labels/function names.\n"
" Surely a bug not caugth by the compiler.\n");
exit(1);
}
fwrite(code, 1, last_instp, bin);
fclose(bin);
fclose(ic_file);
run(FIRST_BC_INST_LOC);
return 0;
}
int main(int argc, char* argv[])
{
if (argc != 2)
{
printf("Usage: %s file\n", argv[0]);
exit(1);
}
FILE* file;
file = fopen(argv[1], "r");
if (file)
{
// Get the filesize. Note: We still want to generate an empty bytecode
// file when reading an empty input file.
size_t filesize;
fseek(file, 0L, SEEK_END);
filesize = ftell(file);
// Reset filehandle to the beginning of the file.
fseek(file, 0L, SEEK_SET);
// Allocate file buffer
char* file_buffer = (char*)malloc(filesize);
if (file_buffer)
{
size_t bytes_read = 0;
while (!feof(file))
{
size_t count = fread(file_buffer, sizeof(char), filesize, file);
if (ferror(file))
{
printf("Error while reading the file.\n");
}
else
{
bytes_read += count;
}
}
if (bytes_read == filesize)
{
int result = generate_bytecode(file_buffer, bytes_read);
if (!result)
{
printf("Error during bytecode generation.\n");
exit(1);
}
}
else if (filesize == 0)
{
// Create empty output file
}
else
{
printf("Error while reading the file: %d\n", bytes_read);
}
free(file_buffer);
}
else
{
printf("Memory allocation failure.\nCould not allocate %d bytes.\n", filesize);
}
// Close the filehandle.
fclose(file);
}
else
{
printf("Could not open file %s.\n", argv[1]);
exit(1);
}
}
