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repl.c
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repl.c
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/*
repl.c
system startup, main(), and console interaction
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <setjmp.h>
#include <signal.h>
#include <assert.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifndef _MSC_VER
#include <unistd.h>
#include <libgen.h>
#endif
#include <limits.h>
#include <errno.h>
#include <math.h>
#include <getopt.h>
#include <ctype.h>
#include "uv.h"
#define WHOLE_ARCHIVE
#include "../src/julia.h"
#ifndef JL_SYSTEM_IMAGE_PATH
#error "JL_SYSTEM_IMAGE_PATH not defined!"
#endif
#ifdef _MSC_VER
#define PATH_MAX MAX_PATH
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _MSC_VER
DLLEXPORT char * dirname(char *);
#endif
extern DLLEXPORT char *julia_home;
char system_image[256] = JL_SYSTEM_IMAGE_PATH;
static int lisp_prompt = 0;
static int codecov = JL_LOG_NONE;
static int malloclog= JL_LOG_NONE;
static char *program = NULL;
char *image_file = NULL;
static const char *usage = "julia [options] [program] [args...]\n";
static const char *opts =
" -v, --version Display version information\n"
" -h, --help Print this message\n"
" -q, --quiet Quiet startup without banner\n"
" -H, --home <dir> Set location of julia executable\n\n"
" -e, --eval <expr> Evaluate <expr>\n"
" -E, --print <expr> Evaluate and show <expr>\n"
" -P, --post-boot <expr> Evaluate <expr>, but don't disable interactive mode\n"
" -L, --load <file> Load <file> immediately on all processors\n"
" -J, --sysimage <file> Start up with the given system image file\n\n"
" -p <n> Run n local processes\n"
" --machinefile <file> Run processes on hosts listed in <file>\n\n"
" -i Force isinteractive() to be true\n"
" --no-history-file Don't load or save history\n"
" -f, --no-startup Don't load ~/.juliarc.jl\n"
" -F Load ~/.juliarc.jl, then handle remaining inputs\n"
" --color={yes|no} Enable or disable color text\n\n"
" --compile={yes|no|all} Enable or disable compiler, or request exhaustive compilation\n\n"
" --code-coverage={none|user|all}, --code-coverage\n"
" Count executions of source lines (omitting setting is equivalent to 'user')\n"
" --track-allocation={none|user|all}\n"
" Count bytes allocated by each source line\n"
" --check-bounds={yes|no} Emit bounds checks always or never (ignoring declarations)\n"
" --int-literals={32|64} Select integer literal size independent of platform\n"
" --dump-bitcode={yes|no} Dump bitcode for the system image (used with --build)\n";
void parse_opts(int *argcp, char ***argvp)
{
static char* shortopts = "+H:T:hJ:";
static struct option longopts[] = {
{ "home", required_argument, 0, 'H' },
{ "tab", required_argument, 0, 'T' },
{ "build", required_argument, 0, 'b' },
{ "lisp", no_argument, &lisp_prompt, 1 },
{ "help", no_argument, 0, 'h' },
{ "sysimage", required_argument, 0, 'J' },
{ "code-coverage", optional_argument, 0, 'c' },
{ "track-allocation",required_argument, 0, 'm' },
{ "check-bounds", required_argument, 0, 300 },
{ "int-literals", required_argument, 0, 301 },
{ "dump-bitcode", required_argument, 0, 302 },
{ "compile", required_argument, 0, 303 },
{ 0, 0, 0, 0 }
};
int c;
opterr = 0;
int imagepathspecified=0;
image_file = system_image;
int skip = 0;
int lastind = optind;
while ((c = getopt_long(*argcp,*argvp,shortopts,longopts,0)) != -1) {
switch (c) {
case 0:
break;
case '?':
if (optind != lastind) skip++;
lastind = optind;
break;
case 'H':
julia_home = strdup(optarg);
break;
case 'b':
jl_compileropts.build_path = strdup(optarg);
if (!imagepathspecified)
image_file = NULL;
break;
case 'J':
image_file = strdup(optarg);
imagepathspecified = 1;
break;
case 'h':
printf("%s%s", usage, opts);
exit(0);
case 'c':
if (optarg != NULL) {
if (!strcmp(optarg,"user"))
codecov = JL_LOG_USER;
else if (!strcmp(optarg,"all"))
codecov = JL_LOG_ALL;
else if (!strcmp(optarg,"none"))
codecov = JL_LOG_NONE;
break;
}
else
codecov = JL_LOG_USER;
break;
case 'm':
if (optarg != NULL) {
if (!strcmp(optarg,"user"))
malloclog = JL_LOG_USER;
else if (!strcmp(optarg,"all"))
malloclog = JL_LOG_ALL;
else if (!strcmp(optarg,"none"))
malloclog = JL_LOG_NONE;
break;
}
case 300:
if (!strcmp(optarg,"yes"))
jl_compileropts.check_bounds = JL_COMPILEROPT_CHECK_BOUNDS_ON;
else if (!strcmp(optarg,"no"))
jl_compileropts.check_bounds = JL_COMPILEROPT_CHECK_BOUNDS_OFF;
break;
case 301:
if (!strcmp(optarg,"32"))
jl_compileropts.int_literals = 32;
else if (!strcmp(optarg,"64"))
jl_compileropts.int_literals = 64;
else {
ios_printf(ios_stderr, "julia: invalid integer literal size (%s)\n", optarg);
exit(1);
}
break;
case 302:
if (!strcmp(optarg,"yes"))
jl_compileropts.dumpbitcode = JL_COMPILEROPT_DUMPBITCODE_ON;
else if (!strcmp(optarg,"no"))
jl_compileropts.dumpbitcode = JL_COMPILEROPT_DUMPBITCODE_OFF;
break;
case 303:
if (!strcmp(optarg,"yes"))
jl_compileropts.compile_enabled = 1;
else if (!strcmp(optarg,"no"))
jl_compileropts.compile_enabled = 0;
else if (!strcmp(optarg,"all"))
jl_compileropts.compile_enabled = 2;
else {
ios_printf(ios_stderr, "julia: invalid argument to --compile (%s)\n", optarg);
exit(1);
}
break;
default:
ios_printf(ios_stderr, "julia: unhandled option -- %c\n", c);
ios_printf(ios_stderr, "This is a bug, please report it.\n");
exit(1);
}
}
jl_compileropts.code_coverage = codecov;
jl_compileropts.malloc_log = malloclog;
if (!julia_home) {
julia_home = getenv("JULIA_HOME");
if (julia_home) {
julia_home = strdup(julia_home);
}
else {
char *julia_path = (char*)malloc(PATH_MAX);
size_t path_size = PATH_MAX;
uv_exepath(julia_path, &path_size);
julia_home = strdup(dirname(julia_path));
free(julia_path);
}
}
optind -= skip;
*argvp += optind;
*argcp -= optind;
if (image_file==NULL && *argcp > 0) {
if (strcmp((*argvp)[0], "-")) {
program = (*argvp)[0];
}
}
if (image_file) {
if (image_file[0] != PATHSEP) {
uv_stat_t stbuf;
char path[512];
if (!imagepathspecified) {
// build time path relative to JULIA_HOME
snprintf(path, sizeof(path), "%s%s%s",
julia_home, PATHSEPSTRING, system_image);
image_file = strdup(path);
}
else if (jl_stat(image_file, (char*)&stbuf) != 0) {
// otherwise try julia_home/../lib/julia/%s
snprintf(path, sizeof(path), "%s%s%s",
julia_home,
PATHSEPSTRING ".." PATHSEPSTRING "lib" PATHSEPSTRING "julia" PATHSEPSTRING,
image_file);
image_file = strdup(path);
}
}
}
}
static int exec_program(void)
{
int err = 0;
again: ;
JL_TRY {
if (err) {
jl_value_t *errs = jl_stderr_obj();
jl_value_t *e = jl_exception_in_transit;
if (errs != NULL) {
jl_show(jl_stderr_obj(), e);
}
else {
jl_printf(JL_STDERR, "error during bootstrap: ");
jl_static_show(JL_STDERR, e);
}
jl_printf(JL_STDERR, "\n");
JL_EH_POP();
return 1;
}
jl_load(program);
}
JL_CATCH {
err = 1;
goto again;
}
return 0;
}
void jl_lisp_prompt();
#ifndef _WIN32
int jl_repl_raise_sigtstp(void)
{
return raise(SIGTSTP);
}
#endif
#ifdef JL_GF_PROFILE
static void print_profile(void)
{
size_t i;
void **table = jl_base_module->bindings.table;
for(i=1; i < jl_base_module->bindings.size; i+=2) {
if (table[i] != HT_NOTFOUND) {
jl_binding_t *b = (jl_binding_t*)table[i];
if (b->value != NULL && jl_is_function(b->value) &&
jl_is_gf(b->value)) {
ios_printf(ios_stdout, "%d\t%s\n",
jl_gf_mtable(b->value)->ncalls,
jl_gf_name(b->value)->name);
}
}
}
}
#endif
int true_main(int argc, char *argv[])
{
if (jl_base_module != NULL) {
jl_array_t *args = (jl_array_t*)jl_get_global(jl_base_module, jl_symbol("ARGS"));
if (args == NULL) {
args = jl_alloc_cell_1d(0);
jl_set_const(jl_base_module, jl_symbol("ARGS"), (jl_value_t*)args);
}
assert(jl_array_len(args) == 0);
jl_array_grow_end(args, argc);
int i;
for (i=0; i < argc; i++) {
jl_value_t *s = (jl_value_t*)jl_cstr_to_string(argv[i]);
s->type = (jl_value_t*)jl_utf8_string_type;
jl_arrayset(args, s, i);
}
}
// run program if specified, otherwise enter REPL
if (program) {
int ret = exec_program();
uv_tty_reset_mode();
return ret;
}
jl_function_t *start_client =
(jl_function_t*)jl_get_global(jl_base_module, jl_symbol("_start"));
if (start_client) {
jl_apply(start_client, NULL, 0);
return 0;
}
int iserr = 0;
again:
;
JL_TRY {
if (iserr) {
//jl_show(jl_exception_in_transit);# What if the error was in show?
jl_printf(JL_STDERR, "\n\n");
iserr = 0;
}
uv_run(jl_global_event_loop(),UV_RUN_DEFAULT);
}
JL_CATCH {
iserr = 1;
JL_PUTS("error during run:\n",JL_STDERR);
jl_show(jl_stderr_obj(),jl_exception_in_transit);
JL_PUTS("\n",JL_STDOUT);
goto again;
}
uv_tty_reset_mode();
return iserr;
}
#ifndef _OS_WINDOWS_
int main(int argc, char *argv[])
{
#else
int wmain(int argc, wchar_t *argv[], wchar_t *envp[])
{
int i;
for (i=0; i<argc; i++) { // write the command line to UTF8
wchar_t *warg = argv[i];
size_t wlen = wcslen(warg)+1;
size_t len = WideCharToMultiByte(CP_UTF8, 0, warg, wlen, NULL, 0, NULL, NULL);
if (!len) return 1;
char *arg = (char*)alloca(len);
if (!WideCharToMultiByte(CP_UTF8, 0, warg, wlen, arg, len, NULL, NULL)) return 1;
argv[i] = (wchar_t*)arg;
}
#endif
libsupport_init();
parse_opts(&argc, (char***)&argv);
if (lisp_prompt) {
jl_lisp_prompt();
return 0;
}
julia_init(lisp_prompt ? NULL : image_file);
return julia_trampoline(argc, (char**)argv, true_main);
}
#ifdef __cplusplus
}
#endif