Commit 440f0415 authored by Damien George's avatar Damien George
Browse files

py: Fix bugs with debugging output.

show_bc now decodes the prelude correctly.  Moved WRITE_FILE stuff from
runtime.c to emitglue.c.

Addresses issue #385.
parent 182c31a2
// This code glues the code emitters to the runtime.
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include "misc.h"
......@@ -10,6 +10,7 @@
#include "runtime0.h"
#include "runtime.h"
#include "emitglue.h"
#include "bc.h"
#if 0 // print debugging info
#define DEBUG_PRINT (1)
......@@ -51,13 +52,27 @@ STATIC machine_uint_t unique_codes_alloc = 0;
STATIC mp_code_t *unique_codes = NULL;
STATIC uint next_unique_code_id;
#ifdef WRITE_CODE
FILE *fp_write_code = NULL;
#endif
void mp_emit_glue_init(void) {
next_unique_code_id = 0;
unique_codes_alloc = 0;
unique_codes = NULL;
#ifdef WRITE_CODE
fp_write_code = fopen("out-code", "wb");
#endif
}
void mp_emit_glue_deinit(void) {
#ifdef WRITE_CODE
if (fp_write_code != NULL) {
fclose(fp_write_code);
}
#endif
m_del(mp_code_t, unique_codes, unique_codes_alloc);
}
......
......@@ -20,7 +20,6 @@
#if 0 // print debugging info
#define DEBUG_PRINT (1)
#define WRITE_CODE (1)
#define DEBUG_printf DEBUG_printf
#define DEBUG_OP_printf(...) DEBUG_printf(__VA_ARGS__)
#else // don't print debugging info
......@@ -33,10 +32,6 @@ STATIC mp_map_t *map_locals;
STATIC mp_map_t *map_globals;
STATIC mp_map_t map_builtins;
#ifdef WRITE_CODE
FILE *fp_write_code = NULL;
#endif
// a good optimising compiler will inline this if necessary
STATIC void mp_map_add_qstr(mp_map_t *map, qstr qstr, mp_obj_t value) {
mp_map_lookup(map, MP_OBJ_NEW_QSTR(qstr), MP_MAP_LOOKUP_ADD_IF_NOT_FOUND)->value = value;
......@@ -68,18 +63,9 @@ void rt_init(void) {
// for efficiency, left to platform-specific startup code
//sys_path = mp_obj_new_list(0, NULL);
//rt_store_attr(m_sys, MP_QSTR_path, sys_path);
#ifdef WRITE_CODE
fp_write_code = fopen("out-code", "wb");
#endif
}
void rt_deinit(void) {
#ifdef WRITE_CODE
if (fp_write_code != NULL) {
fclose(fp_write_code);
}
#endif
mp_map_free(map_globals);
mp_map_deinit(&map_builtins);
mp_module_deinit();
......
......@@ -30,7 +30,16 @@ void mp_byte_code_print(const byte *ip, int len) {
machine_uint_t code_info_size = ip[0] | (ip[1] << 8) | (ip[2] << 16) | (ip[3] << 24);
ip += code_info_size;
// decode prelude
// bytecode prelude: state size and exception stack size; 16 bit uints
{
uint n_state = ip[0] | (ip[1] << 8);
uint n_exc_stack = ip[2] | (ip[3] << 8);
ip += 4;
printf("(N_STATE %u)\n", n_state);
printf("(N_EXC_STACK %u)\n", n_exc_stack);
}
// bytecode prelude: initialise closed over variables
{
uint n_local = *ip++;
printf("(NUM_LOCAL %u)\n", n_local);
......
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