void bytecode_free(struct bytecode* bc) {
if (!bc)
return;
jv_mem_free(bc->code);
jv_free(bc->constants);
for (int i=0; i<bc->nsubfunctions; i++)
bytecode_free(bc->subfunctions[i]);
if (!bc->parent)
symbol_table_free(bc->globals);
jv_mem_free(bc->subfunctions);
jv_free(bc->debuginfo);
jv_mem_free(bc);
}
G_MODULE_EXPORT void
cb_compile (GtkToolButton *button,
AppData *data)
{
char *code;
symbol_table_free (data->symtable);
data->symtable = symbol_table_new ();
g_object_get (data->text_buffer, "text", &code, NULL);
compile (code, data->mem, data->symtable);
g_free (code);
update_mcode (data);
update_symtable (data);
update_data (data);
}
static void
update_processor (AppData *data)
{
if (data->mem)
memory_free (data->mem);
if (data->regs)
registers_free (data->regs);
if (data->symtable)
symbol_table_free (data->symtable);
/* Create empty symbol table (to be populated during parse) */
data->symtable = symbol_table_new ();
/* Create registers */
data->regs = registers_new (g_key_file_get_integer (data->settings,
"processor",
"no_registers",
NULL));
/* Create designated memory segments */
data->mem = memory_new ();
memory_add_data_segment (data->mem, MEM_SEG_DATA,
g_key_file_get_integer (data->settings,
"data segment",
"origin",
NULL),
g_key_file_get_integer (data->settings,
"data segment",
"size",
NULL));
memory_add_data_segment (data->mem, MEM_SEG_CODE,
g_key_file_get_integer (data->settings,
"code segment",
"origin",
NULL),
g_key_file_get_integer (data->settings,
"code segment",
"size",
NULL));
update_symtable (data);
update_mcode (data);
update_data (data);
update_regs (data);
}
int
main(int argc, char **argv)
{
char **real_argv = argv;
struct scan_st *sc;
struct symbol_table *stab;
struct ast *a;
char *source = NULL;
int opt;
int err_count = 0;
#ifdef DEBUG
int run_program = 1;
int dump_symbols = 0;
int dump_program = 0;
int dump_icode = 0;
#endif
#ifdef DEBUG
setvbuf(stdout, NULL, _IOLBF, 0);
#endif
/*
* Get command-line arguments.
*/
while ((opt = getopt(argc, argv, OPTS)) != -1) {
switch(opt) {
#ifdef DEBUG
case 'c':
trace_scheduling++;
break;
#ifdef POOL_VALUES
case 'd':
trace_pool++;
break;
#endif
case 'g':
trace_gc++;
break;
#endif
case 'G':
gc_trigger = atoi(optarg);
break;
#ifdef DEBUG
case 'i':
dump_icode++;
break;
case 'l':
trace_gen++;
break;
case 'm':
trace_vm++;
break;
case 'n':
run_program = 0;
break;
case 'o':
trace_valloc++;
break;
case 'p':
dump_program = 1;
break;
case 's':
dump_symbols = 1;
break;
case 'v':
trace_activations++;
break;
case 'y':
trace_type_inference++;
break;
#endif
case '?':
default:
usage(argv);
}
}
argc -= optind;
argv += optind;
if (*argv != NULL)
source = *argv;
else
usage(real_argv);
#ifdef POOL_VALUES
value_pool_new();
#endif
gc_target = gc_trigger;
if ((sc = scan_open(source)) != NULL) {
stab = symbol_table_new(NULL, 0);
global_ar = activation_new_on_heap(100, NULL, NULL);
register_std_builtins(stab);
report_start();
a = parse_program(sc, stab);
scan_close(sc);
#ifdef DEBUG
if (dump_symbols)
symbol_table_dump(stab, 1);
if (dump_program) {
ast_dump(a, 0);
}
#endif
#ifndef DEBUG
symbol_table_free(stab);
types_free();
#endif
err_count = report_finish();
if (err_count == 0) {
struct iprogram *ip;
struct vm *vm;
struct process *p;
unsigned char *program;
program = bhuna_malloc(16384);
ip = ast_gen_iprogram(a);
iprogram_eliminate_nops(ip);
iprogram_eliminate_useless_jumps(ip);
iprogram_optimize_tail_calls(ip);
iprogram_optimize_push_small_ints(ip);
iprogram_eliminate_dead_code(ip);
iprogram_gen(&program, ip);
#ifdef DEBUG
if (dump_icode > 0)
iprogram_dump(ip, program);
#endif
vm = vm_new(program, 16384);
vm_set_pc(vm, program);
vm->current_ar = global_ar;
p = process_new(vm);
/* ast_dump(a, 0); */
if (RUN_PROGRAM) {
process_scheduler();
}
vm_free(vm);
bhuna_free(program);
/*value_dump_global_table();*/
}
ast_free(a); /* XXX move on up */
/* gc(); */ /* actually do a full blow out at the end */
/* activation_free_from_stack(global_ar); */
#ifdef DEBUG
symbol_table_free(stab);
types_free();
if (trace_valloc > 0) {
/*
value_dump_global_table();
*/
printf("Created: %8d\n", num_vars_created);
printf("Cached: %8d\n", num_vars_cached);
printf("Freed: %8d\n", num_vars_freed);
}
if (trace_activations > 0) {
printf("AR's alloc'ed: %8d\n", activations_allocated);
printf("AR's freed: %8d\n", activations_freed);
}
#ifdef POOL_VALUES
if (trace_pool > 0) {
pool_report();
}
#endif
#endif
return(0);
} else {
fprintf(stderr, "Can't open `%s'\n", source);
return(1);
}
}