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jloptions.c
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jloptions.c
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// This file is a part of Julia. License is MIT: https://julialang.org/license
#include <limits.h>
#include <errno.h>
#include "julia.h"
#include "julia_internal.h"
#include <unistd.h>
#include <getopt.h>
#include "julia_assert.h"
#ifdef _OS_WINDOWS_
char *shlib_ext = ".dll";
#elif defined(_OS_DARWIN_)
char *shlib_ext = ".dylib";
#else
char *shlib_ext = ".so";
#endif
/* This simple hand-crafted tolower exists to avoid locale-dependent effects in
* behaviors (and utf8proc_tolower wasn't linking properly on all platforms) */
static char ascii_tolower(char c)
{
if ('A' <= c && c <= 'Z')
return c - 'A' + 'a';
return c;
}
static const char system_image_path[256] = "\0" JL_SYSTEM_IMAGE_PATH;
JL_DLLEXPORT const char *jl_get_default_sysimg_path(void)
{
return &system_image_path[1];
}
static int jl_options_initialized = 0;
JL_DLLEXPORT void jl_init_options(void)
{
if (jl_options_initialized)
return;
jl_options =
(jl_options_t){ 0, // quiet
-1, // banner
NULL, // julia_bindir
NULL, // julia_bin
NULL, // cmds
NULL, // image_file (will be filled in below)
NULL, // cpu_target ("native", "core2", etc...)
0, // nthreadpools
0, // nthreads
0, // nmarkthreads
0, // nsweepthreads
NULL, // nthreads_per_pool
0, // nprocs
NULL, // machine_file
NULL, // project
0, // isinteractive
0, // color
JL_OPTIONS_HISTORYFILE_ON, // history file
0, // startup file
JL_OPTIONS_COMPILE_DEFAULT, // compile_enabled
0, // code_coverage
0, // malloc_log
NULL, // tracked_path
2, // opt_level
0, // opt_level_min
#ifdef JL_DEBUG_BUILD
2, // debug_level [debug build]
#else
1, // debug_level [release build]
#endif
JL_OPTIONS_CHECK_BOUNDS_DEFAULT, // check_bounds
JL_OPTIONS_DEPWARN_OFF, // deprecation warning
0, // method overwrite warning
1, // can_inline
JL_OPTIONS_POLLY_ON, // polly
NULL, // trace_compile
NULL, // trace_dispatch
JL_OPTIONS_FAST_MATH_DEFAULT,
0, // worker
NULL, // cookie
JL_OPTIONS_HANDLE_SIGNALS_ON,
JL_OPTIONS_USE_SYSIMAGE_NATIVE_CODE_YES,
JL_OPTIONS_USE_COMPILED_MODULES_YES,
JL_OPTIONS_USE_PKGIMAGES_YES,
NULL, // bind-to
NULL, // output-bc
NULL, // output-unopt-bc
NULL, // output-o
NULL, // output-asm
NULL, // output-ji
NULL, // output-code_coverage
0, // incremental
0, // image_file_specified
JL_OPTIONS_WARN_SCOPE_ON, // ambiguous scope warning
0, // image-codegen
0, // rr-detach
0, // strip-metadata
0, // strip-ir
0, // permalloc_pkgimg
0, // heap-size-hint
0, // trace_compile_timing
0, // trim
};
jl_options_initialized = 1;
}
static const char usage[] = "\n julia [switches] -- [programfile] [args...]\n\n";
static const char opts[] =
"Switches (a '*' marks the default value, if applicable; settings marked '($)' may trigger package\n"
"precompilation):\n\n"
" Option Description\n"
" ---------------------------------------------------------------------------------------------------\n"
" -v, --version Display version information\n"
" -h, --help Print command-line options (this message)\n"
" --help-hidden Print uncommon options not shown by `-h`\n\n"
// startup options
" --project[={<dir>|@temp|@.}] Set <dir> as the active project/environment.\n"
" Or, create a temporary environment with `@temp`\n"
" The default @. option will search through parent\n"
" directories until a Project.toml or JuliaProject.toml\n"
" file is found.\n"
" -J, --sysimage <file> Start up with the given system image file\n"
" -H, --home <dir> Set location of `julia` executable\n"
" --startup-file={yes*|no} Load `JULIA_DEPOT_PATH/config/startup.jl`; \n"
" if `JULIA_DEPOT_PATH` environment variable is unset,\n"
" load `~/.julia/config/startup.jl`\n"
" --handle-signals={yes*|no} Enable or disable Julia's default signal handlers\n"
" --sysimage-native-code={yes*|no} Use native code from system image if available\n"
" --compiled-modules={yes*|no|existing|strict} Enable or disable incremental precompilation of\n"
" modules. The `existing` option allows use of existing\n"
" compiled modules that were previously precompiled,\n"
" but disallows creation of new precompile files.\n"
" The `strict` option is similar, but will error if no\n"
" precompile file is found.\n"
" --pkgimages={yes*|no|existing} Enable or disable usage of native code caching in the\n"
" form of pkgimages. The `existing` option allows use\n"
" of existing pkgimages but disallows creation of new\n"
" ones ($)\n\n"
// actions
" -e, --eval <expr> Evaluate <expr>\n"
" -E, --print <expr> Evaluate <expr> and display the result\n"
" -m, --module <Package> [args] Run entry point of `Package` (`@main` function) with\n"
" `args'.\n"
" -L, --load <file> Load <file> immediately on all processors\n\n"
// parallel options
" -t, --threads {auto|N[,auto|M]} Enable N[+M] threads; N threads are assigned to the\n"
" `default` threadpool, and if M is specified, M\n"
" threads are assigned to the `interactive`\n"
" threadpool; `auto` tries to infer a useful\n"
" default number of threads to use but the exact\n"
" behavior might change in the future. Currently sets\n"
" N to the number of CPUs assigned to this Julia\n"
" process based on the OS-specific affinity assignment\n"
" interface if supported (Linux and Windows) or to the\n"
" number of CPU threads if not supported (MacOS) or if\n"
" process affinity is not configured, and sets M to 1.\n"
" --gcthreads=N[,M] Use N threads for the mark phase of GC and M (0 or 1)\n"
" threads for the concurrent sweeping phase of GC.\n"
" N is set to the number of compute threads and\n"
" M is set to 0 if unspecified.\n"
" -p, --procs {N|auto} Integer value N launches N additional local worker\n"
" processes `auto` launches as many workers as the\n"
" number of local CPU threads (logical cores).\n"
" --machine-file <file> Run processes on hosts listed in <file>\n\n"
// interactive options
" -i, --interactive Interactive mode; REPL runs and\n"
" `isinteractive()` is true.\n"
" -q, --quiet Quiet startup: no banner, suppress REPL warnings\n"
" --banner={yes|no|short|auto*} Enable or disable startup banner\n"
" --color={yes|no|auto*} Enable or disable color text\n"
" --history-file={yes*|no} Load or save history\n\n"
// error and warning options
" --depwarn={yes|no*|error} Enable or disable syntax and method deprecation\n"
" warnings (`error` turns warnings into errors)\n"
" --warn-overwrite={yes|no*} Enable or disable method overwrite warnings\n"
" --warn-scope={yes*|no} Enable or disable warning for ambiguous top-level\n"
" scope\n\n"
// code generation options
" -C, --cpu-target <target> Limit usage of CPU features up to <target>; set to\n"
" `help` to see the available options\n"
" -O, --optimize={0|1|2*|3} Set the optimization level (level 3 if `-O` is used\n"
" without a level) ($)\n"
" --min-optlevel={0*|1|2|3} Set a lower bound on the optimization level\n"
#ifdef JL_DEBUG_BUILD
" -g, --debug-info=[{0|1|2*}] Set the level of debug info generation in the\n"
" julia-debug build ($)\n"
#else
" -g, --debug-info=[{0|1*|2}] Set the level of debug info generation (level 2 if\n"
" `-g` is used without a level) ($)\n"
#endif
" --inline={yes*|no} Control whether inlining is permitted, including\n"
" overriding @inline declarations\n"
" --check-bounds={yes|no|auto*} Emit bounds checks always, never, or respect\n"
" @inbounds declarations ($)\n"
" --math-mode={ieee|user*} Always follow `ieee` floating point semantics or\n"
" respect `@fastmath` declarations\n\n"
#ifdef USE_POLLY
" --polly={yes*|no} Enable or disable the polyhedral optimizer Polly\n"
" (overrides @polly declaration)\n"
#endif
// instrumentation options
" --code-coverage[={none*|user|all}] Count executions of source lines (omitting setting is\n"
" equivalent to `user`)\n"
" --code-coverage=@<path> Count executions but only in files that fall under\n"
" the given file path/directory. The `@` prefix is\n"
" required to select this option. A `@` with no path\n"
" will track the current directory.\n"
" --code-coverage=tracefile.info Append coverage information to the LCOV tracefile\n"
" (filename supports format tokens)\n"
// TODO: These TOKENS are defined in `runtime_ccall.cpp`. A more verbose `--help` should include that list here.
" --track-allocation[={none*|user|all}] Count bytes allocated by each source line (omitting\n"
" setting is equivalent to `user`)\n"
" --track-allocation=@<path> Count bytes but only in files that fall under the\n"
" given file path/directory. The `@` prefix is required\n"
" to select this option. A `@` with no path will track\n"
" the current directory.\n"
" --bug-report=KIND Launch a bug report session. It can be used to start\n"
" a REPL, run a script, or evaluate expressions. It\n"
" first tries to use BugReporting.jl installed in\n"
" current environment and fallbacks to the latest\n"
" compatible BugReporting.jl if not. For more\n"
" information, see --bug-report=help.\n\n"
" --heap-size-hint=<size> Forces garbage collection if memory usage is higher\n"
" than the given value. The value may be specified as a\n"
" number of bytes, optionally in units of KB, MB, GB,\n"
" or TB, or as a percentage of physical memory with %.\n\n"
;
static const char opts_hidden[] =
"Switches (a '*' marks the default value, if applicable):\n\n"
" Option Description\n"
" ---------------------------------------------------------------------------------------------------\n"
// code generation options
" --compile={yes*|no|all|min} Enable or disable JIT compiler, or request exhaustive\n"
" or minimal compilation\n\n"
// compiler output options
" --output-o <name> Generate an object file (including system image data)\n"
" --output-ji <name> Generate a system image data file (.ji)\n"
" --strip-metadata Remove docstrings and source location info from\n"
" system image\n"
" --strip-ir Remove IR (intermediate representation) of compiled\n"
" functions\n\n"
// compiler debugging and experimental (see the devdocs for tips on using these options)
" --output-unopt-bc <name> Generate unoptimized LLVM bitcode (.bc)\n"
" --output-bc <name> Generate LLVM bitcode (.bc)\n"
" --output-asm <name> Generate an assembly file (.s)\n"
" --output-incremental={yes|no*} Generate an incremental output file (rather than\n"
" complete)\n"
" --trace-compile={stderr|name} Print precompile statements for methods compiled\n"
" during execution or save to stderr or a path. Methods that\n"
" were recompiled are printed in yellow or with a trailing\n"
" comment if color is not supported\n"
" --trace-compile-timing If --trace-compile is enabled show how long each took to\n"
" compile in ms\n"
" --image-codegen Force generate code in imaging mode\n"
" --permalloc-pkgimg={yes|no*} Copy the data section of package images into memory\n"
" --trim={no*|safe|unsafe|unsafe-warn}\n"
" Build a sysimage including only code provably reachable\n"
" from methods marked by calling `entrypoint`. In unsafe\n"
" mode, the resulting binary might be missing needed code\n"
" and can throw errors. With unsafe-warn warnings will be\n"
" printed for dynamic call sites that might lead to such\n"
" errors. In safe mode compile-time errors are given instead.\n"
;
JL_DLLEXPORT void jl_parse_opts(int *argcp, char ***argvp)
{
enum { opt_machinefile = 300,
opt_color,
opt_history_file,
opt_startup_file,
opt_compile,
opt_code_coverage,
opt_track_allocation,
opt_check_bounds,
opt_output_unopt_bc,
opt_output_bc,
opt_depwarn,
opt_warn_overwrite,
opt_warn_scope,
opt_inline,
opt_polly,
opt_trace_compile,
opt_trace_compile_timing,
opt_trace_dispatch,
opt_math_mode,
opt_worker,
opt_bind_to,
opt_handle_signals,
opt_optlevel_min,
opt_output_o,
opt_output_asm,
opt_output_ji,
opt_use_precompiled,
opt_use_compilecache,
opt_incremental,
opt_help_hidden,
opt_banner,
opt_sysimage_native_code,
opt_compiled_modules,
opt_pkgimages,
opt_machine_file,
opt_project,
opt_bug_report,
opt_image_codegen,
opt_rr_detach,
opt_strip_metadata,
opt_strip_ir,
opt_heap_size_hint,
opt_gc_threads,
opt_permalloc_pkgimg,
opt_trim,
};
static const char* const shortopts = "+vhqH:e:E:L:J:C:it:p:O:g:m:";
static const struct option longopts[] = {
// exposed command line options
// NOTE: This set of required arguments need to be kept in sync
// with the required arguments defined in base/options.jl `struct JLOptions`
{ "version", no_argument, 0, 'v' },
{ "help", no_argument, 0, 'h' },
{ "help-hidden", no_argument, 0, opt_help_hidden },
{ "interactive", no_argument, 0, 'i' },
{ "quiet", no_argument, 0, 'q' },
{ "banner", required_argument, 0, opt_banner },
{ "home", required_argument, 0, 'H' },
{ "eval", required_argument, 0, 'e' },
{ "module", required_argument, 0, 'm' },
{ "print", required_argument, 0, 'E' },
{ "load", required_argument, 0, 'L' },
{ "bug-report", required_argument, 0, opt_bug_report },
{ "sysimage", required_argument, 0, 'J' },
{ "sysimage-native-code", required_argument, 0, opt_sysimage_native_code },
{ "compiled-modules",required_argument, 0, opt_compiled_modules },
{ "pkgimages", required_argument, 0, opt_pkgimages },
{ "cpu-target", required_argument, 0, 'C' },
{ "procs", required_argument, 0, 'p' },
{ "threads", required_argument, 0, 't' },
{ "gcthreads", required_argument, 0, opt_gc_threads },
{ "machine-file", required_argument, 0, opt_machine_file },
{ "project", optional_argument, 0, opt_project },
{ "color", required_argument, 0, opt_color },
{ "history-file", required_argument, 0, opt_history_file },
{ "startup-file", required_argument, 0, opt_startup_file },
{ "compile", required_argument, 0, opt_compile },
{ "code-coverage", optional_argument, 0, opt_code_coverage },
{ "track-allocation",optional_argument, 0, opt_track_allocation },
{ "optimize", optional_argument, 0, 'O' },
{ "min-optlevel", optional_argument, 0, opt_optlevel_min },
{ "debug-info", optional_argument, 0, 'g' },
{ "check-bounds", required_argument, 0, opt_check_bounds },
{ "output-bc", required_argument, 0, opt_output_bc },
{ "output-unopt-bc", required_argument, 0, opt_output_unopt_bc },
{ "output-o", required_argument, 0, opt_output_o },
{ "output-asm", required_argument, 0, opt_output_asm },
{ "output-ji", required_argument, 0, opt_output_ji },
{ "output-incremental",required_argument, 0, opt_incremental },
{ "depwarn", required_argument, 0, opt_depwarn },
{ "warn-overwrite", required_argument, 0, opt_warn_overwrite },
{ "warn-scope", required_argument, 0, opt_warn_scope },
{ "inline", required_argument, 0, opt_inline },
{ "polly", required_argument, 0, opt_polly },
{ "trace-compile", required_argument, 0, opt_trace_compile },
{ "trace-compile-timing", no_argument, 0, opt_trace_compile_timing },
{ "trace-dispatch", required_argument, 0, opt_trace_dispatch },
{ "math-mode", required_argument, 0, opt_math_mode },
{ "handle-signals", required_argument, 0, opt_handle_signals },
// hidden command line options
{ "worker", optional_argument, 0, opt_worker },
{ "bind-to", required_argument, 0, opt_bind_to },
{ "lisp", no_argument, 0, 1 },
{ "image-codegen", no_argument, 0, opt_image_codegen },
{ "rr-detach", no_argument, 0, opt_rr_detach },
{ "strip-metadata", no_argument, 0, opt_strip_metadata },
{ "strip-ir", no_argument, 0, opt_strip_ir },
{ "permalloc-pkgimg",required_argument, 0, opt_permalloc_pkgimg },
{ "heap-size-hint", required_argument, 0, opt_heap_size_hint },
{ "trim", optional_argument, 0, opt_trim },
{ 0, 0, 0, 0 }
};
// If CPUID specific binaries are enabled, this varies between runs, so initialize
// it here, rather than as part of the static initialization above.
jl_options.image_file = jl_get_default_sysimg_path();
jl_options.cmds = NULL;
int ncmds = 0;
const char **cmds = NULL;
int codecov = JL_LOG_NONE;
int malloclog = JL_LOG_NONE;
int argc = *argcp;
char **argv = *argvp;
char *endptr;
opterr = 0; // suppress getopt warning messages
while (1) {
int lastind = optind;
int c = getopt_long(argc, argv, shortopts, longopts, 0);
if (c == -1) break;
restart_switch:
switch (c) {
case 0:
break;
case 1:
jl_errorf("--lisp must be specified as the first argument");
break;
case '?':
case ':':
if (optopt) {
if (optopt == 'g') {
c = 'g';
goto restart_switch;
}
for (const struct option *o = longopts; o->val; o++) {
if (optopt == o->val) {
if (o->has_arg == optional_argument) {
c = o->val;
goto restart_switch;
}
else {
const char *problem = o->has_arg ? "is missing an argument" : "does not accept an argument";
if (o->val <= 0xff && strchr(shortopts, o->val)) {
jl_errorf("option `-%c/--%s` %s", o->val, o->name, problem);
}
else {
jl_errorf("option `--%s` %s", o->name, problem);
}
}
}
}
jl_errorf("unknown option `-%c`", optopt);
}
else {
jl_errorf("unknown option `%s`", argv[lastind]);
}
break;
case 'v': // version
jl_printf(JL_STDOUT, "julia version %s\n", JULIA_VERSION_STRING);
exit(0);
case 'h': // help
jl_printf(JL_STDOUT, "%s%s", usage, opts);
exit(0);
case opt_help_hidden:
jl_printf(JL_STDOUT, "%s%s", usage, opts_hidden);
exit(0);
case 'g': // debug info
if (optarg != NULL) {
if (!strcmp(optarg,"0"))
jl_options.debug_level = 0;
else if (!strcmp(optarg,"1"))
jl_options.debug_level = 1;
else if (!strcmp(optarg,"2"))
jl_options.debug_level = 2;
else
jl_errorf("julia: invalid argument to -g (%s)", optarg);
break;
}
else {
jl_options.debug_level = 2;
}
break;
case 'H': // home
jl_options.julia_bindir = strdup(optarg);
if (!jl_options.julia_bindir)
jl_errorf("fatal error: failed to allocate memory: %s", strerror(errno));
break;
case 'e': // eval
case 'E': // print
case 'L': // load
case 'm': // module
case opt_bug_report: // bug
{
size_t sz = strlen(optarg) + 1;
char *arg = (char*)malloc_s(sz + 1);
const char **newcmds;
arg[0] = c == opt_bug_report ? 'B' : c;
memcpy(arg + 1, optarg, sz);
newcmds = (const char**)realloc_s(cmds, (ncmds + 2) * sizeof(char*));
cmds = newcmds;
cmds[ncmds] = arg;
ncmds++;
cmds[ncmds] = 0;
jl_options.cmds = cmds;
if (c == 'm') {
optind -= 1;
goto parsing_args_done;
}
break;
}
case 'J': // sysimage
jl_options.image_file = strdup(optarg);
if (!jl_options.image_file)
jl_errorf("fatal error: failed to allocate memory: %s", strerror(errno));
jl_options.image_file_specified = 1;
break;
case 'q': // quiet
jl_options.quiet = 1;
if (jl_options.banner < 0)
jl_options.banner = 0;
break;
case opt_banner: // banner
if (!strcmp(optarg, "yes"))
jl_options.banner = 1;
else if (!strcmp(optarg, "no"))
jl_options.banner = 0;
else if (!strcmp(optarg, "auto"))
jl_options.banner = -1;
else if (!strcmp(optarg, "short"))
jl_options.banner = 2;
else
jl_errorf("julia: invalid argument to --banner={yes|no|auto|short} (%s)", optarg);
break;
case opt_sysimage_native_code:
if (!strcmp(optarg,"yes"))
jl_options.use_sysimage_native_code = JL_OPTIONS_USE_SYSIMAGE_NATIVE_CODE_YES;
else if (!strcmp(optarg,"no"))
jl_options.use_sysimage_native_code = JL_OPTIONS_USE_SYSIMAGE_NATIVE_CODE_NO;
else
jl_errorf("julia: invalid argument to --sysimage-native-code={yes|no} (%s)", optarg);
break;
case opt_compiled_modules:
if (!strcmp(optarg,"yes"))
jl_options.use_compiled_modules = JL_OPTIONS_USE_COMPILED_MODULES_YES;
else if (!strcmp(optarg,"no"))
jl_options.use_compiled_modules = JL_OPTIONS_USE_COMPILED_MODULES_NO;
else if (!strcmp(optarg,"existing"))
jl_options.use_compiled_modules = JL_OPTIONS_USE_COMPILED_MODULES_EXISTING;
else if (!strcmp(optarg,"strict"))
jl_options.use_compiled_modules = JL_OPTIONS_USE_COMPILED_MODULES_STRICT;
else
jl_errorf("julia: invalid argument to --compiled-modules={yes|no|existing|strict} (%s)", optarg);
break;
case opt_pkgimages:
if (!strcmp(optarg,"yes"))
jl_options.use_pkgimages = JL_OPTIONS_USE_PKGIMAGES_YES;
else if (!strcmp(optarg,"no"))
jl_options.use_pkgimages = JL_OPTIONS_USE_PKGIMAGES_NO;
else if (!strcmp(optarg,"existing"))
jl_options.use_pkgimages = JL_OPTIONS_USE_PKGIMAGES_EXISTING;
else
jl_errorf("julia: invalid argument to --pkgimages={yes|no} (%s)", optarg);
break;
case 'C': // cpu-target
jl_options.cpu_target = strdup(optarg);
if (!jl_options.cpu_target)
jl_error("julia: failed to allocate memory");
break;
case 't': // threads
errno = 0;
jl_options.nthreadpools = 1;
long nthreads = -1, nthreadsi = 0;
if (!strncmp(optarg, "auto", 4)) {
jl_options.nthreads = -1;
if (optarg[4] == ',') {
if (!strncmp(&optarg[5], "auto", 4))
nthreadsi = 1;
else {
errno = 0;
nthreadsi = strtol(&optarg[5], &endptr, 10);
if (errno != 0 || endptr == &optarg[5] || *endptr != 0 || nthreadsi < 1 || nthreadsi >= INT16_MAX)
jl_errorf("julia: -t,--threads=auto,<m>; m must be an integer >= 1");
}
jl_options.nthreadpools++;
}
}
else {
nthreads = strtol(optarg, &endptr, 10);
if (errno != 0 || optarg == endptr || nthreads < 1 || nthreads >= INT16_MAX)
jl_errorf("julia: -t,--threads=<n>[,auto|<m>]; n must be an integer >= 1");
if (*endptr == ',') {
if (!strncmp(&endptr[1], "auto", 4))
nthreadsi = 1;
else {
errno = 0;
char *endptri;
nthreadsi = strtol(&endptr[1], &endptri, 10);
if (errno != 0 || endptri == &endptr[1] || *endptri != 0 || nthreadsi < 1 || nthreadsi >= INT16_MAX)
jl_errorf("julia: -t,--threads=<n>,<m>; n and m must be integers >= 1");
}
jl_options.nthreadpools++;
}
jl_options.nthreads = nthreads + nthreadsi;
}
int16_t *ntpp = (int16_t *)malloc_s(jl_options.nthreadpools * sizeof(int16_t));
ntpp[0] = (int16_t)nthreads;
if (jl_options.nthreadpools == 2)
ntpp[1] = (int16_t)nthreadsi;
jl_options.nthreads_per_pool = ntpp;
break;
case 'p': // procs
errno = 0;
if (!strcmp(optarg,"auto")) {
jl_options.nprocs = jl_effective_threads();
}
else {
long nprocs = strtol(optarg, &endptr, 10);
if (errno != 0 || optarg == endptr || *endptr != 0 || nprocs < 1 || nprocs >= INT16_MAX)
jl_errorf("julia: -p,--procs=<n> must be an integer >= 1");
jl_options.nprocs = (int)nprocs;
}
break;
case opt_machine_file:
jl_options.machine_file = strdup(optarg);
if (!jl_options.machine_file)
jl_error("julia: failed to allocate memory");
break;
case opt_project:
jl_options.project = optarg ? strdup(optarg) : "@.";
break;
case opt_color:
if (!strcmp(optarg, "yes"))
jl_options.color = JL_OPTIONS_COLOR_ON;
else if (!strcmp(optarg, "no"))
jl_options.color = JL_OPTIONS_COLOR_OFF;
else if (!strcmp(optarg, "auto"))
jl_options.color = JL_OPTIONS_COLOR_AUTO;
else
jl_errorf("julia: invalid argument to --color={yes|no|auto} (%s)", optarg);
break;
case opt_history_file:
if (!strcmp(optarg,"yes"))
jl_options.historyfile = JL_OPTIONS_HISTORYFILE_ON;
else if (!strcmp(optarg,"no"))
jl_options.historyfile = JL_OPTIONS_HISTORYFILE_OFF;
else
jl_errorf("julia: invalid argument to --history-file={yes|no} (%s)", optarg);
break;
case opt_startup_file:
if (!strcmp(optarg,"yes"))
jl_options.startupfile = JL_OPTIONS_STARTUPFILE_ON;
else if (!strcmp(optarg,"no"))
jl_options.startupfile = JL_OPTIONS_STARTUPFILE_OFF;
else
jl_errorf("julia: invalid argument to --startup-file={yes|no} (%s)", optarg);
break;
case opt_compile:
if (!strcmp(optarg,"yes"))
jl_options.compile_enabled = JL_OPTIONS_COMPILE_ON;
else if (!strcmp(optarg,"no"))
jl_options.compile_enabled = JL_OPTIONS_COMPILE_OFF;
else if (!strcmp(optarg,"all"))
jl_options.compile_enabled = JL_OPTIONS_COMPILE_ALL;
else if (!strcmp(optarg,"min"))
jl_options.compile_enabled = JL_OPTIONS_COMPILE_MIN;
else
jl_errorf("julia: invalid argument to --compile (%s)", optarg);
break;
case opt_code_coverage:
if (optarg != NULL) {
size_t endof = strlen(optarg);
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;
else if (endof > 5 && !strcmp(optarg + endof - 5, ".info")) {
if (codecov == JL_LOG_NONE)
codecov = JL_LOG_ALL;
jl_options.output_code_coverage = optarg;
}
else if (!strncmp(optarg, "@", 1)) {
codecov = JL_LOG_PATH;
jl_options.tracked_path = optarg + 1; // skip `@`
}
else
jl_errorf("julia: invalid argument to --code-coverage (%s)", optarg);
break;
}
else {
codecov = JL_LOG_USER;
}
break;
case opt_track_allocation:
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;
else if (!strncmp(optarg, "@", 1)) {
malloclog = JL_LOG_PATH;
jl_options.tracked_path = optarg + 1; // skip `@`
}
else
jl_errorf("julia: invalid argument to --track-allocation (%s)", optarg);
break;
}
else {
malloclog = JL_LOG_USER;
}
break;
case 'O': // optimize
if (optarg != NULL) {
if (!strcmp(optarg,"0"))
jl_options.opt_level = 0;
else if (!strcmp(optarg,"1"))
jl_options.opt_level = 1;
else if (!strcmp(optarg,"2"))
jl_options.opt_level = 2;
else if (!strcmp(optarg,"3"))
jl_options.opt_level = 3;
else
jl_errorf("julia: invalid argument to -O (%s)", optarg);
break;
}
else {
jl_options.opt_level = 3;
}
break;
case opt_optlevel_min: // minimum module optimize level
if (optarg != NULL) {
if (!strcmp(optarg,"0"))
jl_options.opt_level_min = 0;
else if (!strcmp(optarg,"1"))
jl_options.opt_level_min = 1;
else if (!strcmp(optarg,"2"))
jl_options.opt_level_min = 2;
else if (!strcmp(optarg,"3"))
jl_options.opt_level_min = 3;
else
jl_errorf("julia: invalid argument to --min-optlevel (%s)", optarg);
break;
}
else {
jl_options.opt_level_min = 0;
}
break;
case 'i': // isinteractive
jl_options.isinteractive = 1;
break;
case opt_check_bounds:
if (!strcmp(optarg,"yes"))
jl_options.check_bounds = JL_OPTIONS_CHECK_BOUNDS_ON;
else if (!strcmp(optarg,"no"))
jl_options.check_bounds = JL_OPTIONS_CHECK_BOUNDS_OFF;
else if (!strcmp(optarg,"auto"))
jl_options.check_bounds = JL_OPTIONS_CHECK_BOUNDS_DEFAULT;
else
jl_errorf("julia: invalid argument to --check-bounds={yes|no|auto} (%s)", optarg);
break;
case opt_output_bc:
jl_options.outputbc = optarg;
if (!jl_options.image_file_specified) jl_options.image_file = NULL;
break;
case opt_output_unopt_bc:
jl_options.outputunoptbc = optarg;
if (!jl_options.image_file_specified) jl_options.image_file = NULL;
break;
case opt_output_o:
jl_options.outputo = optarg;
if (!jl_options.image_file_specified) jl_options.image_file = NULL;
break;
case opt_output_asm:
jl_options.outputasm = optarg;
if (!jl_options.image_file_specified) jl_options.image_file = NULL;
break;
case opt_output_ji:
jl_options.outputji = optarg;
if (!jl_options.image_file_specified) jl_options.image_file = NULL;
break;
case opt_incremental:
if (!strcmp(optarg,"yes"))
jl_options.incremental = 1;
else if (!strcmp(optarg,"no"))
jl_options.incremental = 0;
else
jl_errorf("julia: invalid argument to --output-incremental={yes|no} (%s)", optarg);
break;
case opt_depwarn:
if (!strcmp(optarg,"yes"))
jl_options.depwarn = JL_OPTIONS_DEPWARN_ON;
else if (!strcmp(optarg,"no"))
jl_options.depwarn = JL_OPTIONS_DEPWARN_OFF;
else if (!strcmp(optarg,"error"))
jl_options.depwarn = JL_OPTIONS_DEPWARN_ERROR;
else
jl_errorf("julia: invalid argument to --depwarn={yes|no|error} (%s)", optarg);
break;
case opt_warn_overwrite:
if (!strcmp(optarg,"yes"))
jl_options.warn_overwrite = JL_OPTIONS_WARN_OVERWRITE_ON;
else if (!strcmp(optarg,"no"))
jl_options.warn_overwrite = JL_OPTIONS_WARN_OVERWRITE_OFF;
else
jl_errorf("julia: invalid argument to --warn-overwrite={yes|no} (%s)", optarg);
break;
case opt_warn_scope:
if (!strcmp(optarg,"yes"))
jl_options.warn_scope = JL_OPTIONS_WARN_SCOPE_ON;
else if (!strcmp(optarg,"no"))
jl_options.warn_scope = JL_OPTIONS_WARN_SCOPE_OFF;
else
jl_errorf("julia: invalid argument to --warn-scope={yes|no} (%s)", optarg);
break;
case opt_inline:
if (!strcmp(optarg,"yes"))
jl_options.can_inline = 1;
else if (!strcmp(optarg,"no"))
jl_options.can_inline = 0;
else {
jl_errorf("julia: invalid argument to --inline (%s)", optarg);
}
break;
case opt_polly:
if (!strcmp(optarg,"yes"))
jl_options.polly = JL_OPTIONS_POLLY_ON;
else if (!strcmp(optarg,"no"))
jl_options.polly = JL_OPTIONS_POLLY_OFF;
else {
jl_errorf("julia: invalid argument to --polly (%s)", optarg);
}
break;
case opt_trace_compile:
jl_options.trace_compile = strdup(optarg);
if (!jl_options.trace_compile)
jl_errorf("fatal error: failed to allocate memory: %s", strerror(errno));
break;
case opt_trace_compile_timing:
jl_options.trace_compile_timing = 1;
break;
case opt_trace_dispatch:
jl_options.trace_dispatch = strdup(optarg);
if (!jl_options.trace_dispatch)
jl_errorf("fatal error: failed to allocate memory: %s", strerror(errno));
break;
case opt_math_mode:
if (!strcmp(optarg,"ieee"))
jl_options.fast_math = JL_OPTIONS_FAST_MATH_OFF;
else if (!strcmp(optarg,"fast"))
jl_options.fast_math = JL_OPTIONS_FAST_MATH_DEFAULT;
else if (!strcmp(optarg,"user"))
jl_options.fast_math = JL_OPTIONS_FAST_MATH_DEFAULT;
else
jl_errorf("julia: invalid argument to --math-mode={ieee|user} (%s)", optarg);
break;
case opt_worker:
jl_options.worker = 1;
if (optarg != NULL) {
jl_options.cookie = strdup(optarg);
if (!jl_options.cookie)
jl_error("julia: failed to allocate memory");
}
break;
case opt_bind_to:
jl_options.bindto = strdup(optarg);
if (!jl_options.bindto)
jl_error("julia: failed to allocate memory");
break;
case opt_handle_signals:
if (!strcmp(optarg,"yes"))
jl_options.handle_signals = JL_OPTIONS_HANDLE_SIGNALS_ON;
else if (!strcmp(optarg,"no"))
jl_options.handle_signals = JL_OPTIONS_HANDLE_SIGNALS_OFF;
else
jl_errorf("julia: invalid argument to --handle-signals (%s)", optarg);
break;
case opt_image_codegen:
jl_options.image_codegen = 1;
break;
case opt_rr_detach:
jl_options.rr_detach = 1;
break;
case opt_strip_metadata:
jl_options.strip_metadata = 1;
break;
case opt_strip_ir:
jl_options.strip_ir = 1;
break;
case opt_heap_size_hint:
if (optarg != NULL) {
long double value = 0.0;
char unit[4] = {0};
int nparsed = sscanf(optarg, "%Lf%3s", &value, unit);
if (nparsed == 0 || strlen(unit) > 2 || (strlen(unit) == 2 && ascii_tolower(unit[1]) != 'b')) {
jl_errorf("julia: invalid argument to --heap-size-hint (%s)", optarg);
}
uint64_t multiplier = 1ull;
switch (ascii_tolower(unit[0])) {
case '\0':
case 'b':
break;
case 'k':
multiplier <<= 10;
break;
case 'm':
multiplier <<= 20;
break;
case 'g':
multiplier <<= 30;
break;
case 't':
multiplier <<= 40;
break;
case '%':
if (value > 100)
jl_errorf("julia: invalid percentage specified in --heap-size-hint");
uint64_t mem = uv_get_total_memory();
uint64_t cmem = uv_get_constrained_memory();
if (cmem > 0 && cmem < mem)
mem = cmem;
multiplier = mem/100;
break;
default:
jl_errorf("julia: invalid argument to --heap-size-hint (%s)", optarg);
break;
}
long double sz = value * multiplier;
if (isnan(sz) || sz < 0) {
jl_errorf("julia: invalid argument to --heap-size-hint (%s)", optarg);
}
const long double limit = ldexpl(1.0, 64); // UINT64_MAX + 1
jl_options.heap_size_hint = sz < limit ? (uint64_t)sz : UINT64_MAX;
}
if (jl_options.heap_size_hint == 0)
jl_errorf("julia: invalid memory size specified in --heap-size-hint");
break;
case opt_gc_threads:
errno = 0;
long nmarkthreads = strtol(optarg, &endptr, 10);
if (errno != 0 || optarg == endptr || nmarkthreads < 1 || nmarkthreads >= INT16_MAX) {
jl_errorf("julia: --gcthreads=<n>[,<m>]; n must be an integer >= 1");
}
jl_options.nmarkthreads = (int16_t)nmarkthreads;
if (*endptr == ',') {
errno = 0;
char *endptri;
long nsweepthreads = strtol(&endptr[1], &endptri, 10);
if (errno != 0 || endptri == &endptr[1] || *endptri != 0 || nsweepthreads < 0 || nsweepthreads > 1)
jl_errorf("julia: --gcthreads=<n>,<m>; m must be 0 or 1");
jl_options.nsweepthreads = (int8_t)nsweepthreads;
}
break;
case opt_permalloc_pkgimg:
if (!strcmp(optarg,"yes"))
jl_options.permalloc_pkgimg = 1;
else if (!strcmp(optarg,"no"))
jl_options.permalloc_pkgimg = 0;
else
jl_errorf("julia: invalid argument to --permalloc-pkgimg={yes|no} (%s)", optarg);
break;
case opt_trim:
if (optarg == NULL || !strcmp(optarg,"safe"))
jl_options.trim = JL_TRIM_SAFE;
else if (!strcmp(optarg,"no"))
jl_options.trim = JL_TRIM_NO;
else if (!strcmp(optarg,"unsafe"))
jl_options.trim = JL_TRIM_UNSAFE;
else if (!strcmp(optarg,"unsafe-warn"))
jl_options.trim = JL_TRIM_UNSAFE_WARN;
else
jl_errorf("julia: invalid argument to --trim={safe|no|unsafe|unsafe-warn} (%s)", optarg);
break;
default:
jl_errorf("julia: unhandled option -- %c\n"
"This is a bug, please report it.", c);
}
}
parsing_args_done:
jl_options.code_coverage = codecov;
jl_options.malloc_log = malloclog;
int proc_args = *argcp < optind ? *argcp : optind;
*argvp += proc_args;
*argcp -= proc_args;
}
JL_DLLEXPORT ssize_t jl_sizeof_jl_options(void)
{
return sizeof(jl_options_t);
}