10989931638

Committed 23 Sep 2024 07:51AM UTC coverage: 92.872% (-0.05%) from 92.923%

Build # 10989931638

Build Type

push

github

Committed by

Buristan

Commit Message

test: set LD_PRELOAD only when necessary

This patch sets LD_PRELOAD for ASan build for the required tests instead
of all tests.

Follows up tarantool/tarantool#9898

Run Details

5686 of 6027 branches covered (94.34%)

Branch coverage included in aggregate %.

21676 of 23435 relevant lines covered (92.49%)

2956564.7 hits per line

Source File
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91.98

/src/luajit.c

/*
** LuaJIT frontend. Runs commands, scripts, read-eval-print (REPL) etc.
** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
**
** Major portions taken verbatim or adapted from the Lua interpreter.
** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define luajit_c

#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
#include "luajit.h"

#include "lj_arch.h"

#if LJ_TARGET_POSIX
#include <unistd.h>
#define lua_stdin_is_tty()        isatty(0)
#elif LJ_TARGET_WINDOWS
#include <io.h>
#ifdef __BORLANDC__
#define lua_stdin_is_tty()        isatty(_fileno(stdin))
#else
#define lua_stdin_is_tty()        _isatty(_fileno(stdin))
#endif
#else
#define lua_stdin_is_tty()        1
#endif

#if !LJ_TARGET_CONSOLE
#include <signal.h>
#endif

static lua_State *globalL = NULL;
static const char *progname = LUA_PROGNAME;

#if !LJ_TARGET_CONSOLE
static void lstop(lua_State *L, lua_Debug *ar)
{
  (void)ar;  /* unused arg. */
  lua_sethook(L, NULL, 0, 0);
  /* Avoid luaL_error -- a C hook doesn't add an extra frame. */
  luaL_where(L, 0);
  lua_pushfstring(L, "%sinterrupted!", lua_tostring(L, -1));
  lua_error(L);
}

static void laction(int i)
{
  signal(i, SIG_DFL); /* if another SIGINT happens before lstop,
                         terminate process (default action) */
  lua_sethook(globalL, lstop, LUA_MASKCALL | LUA_MASKRET | LUA_MASKCOUNT, 1);
}
#endif

static void print_usage(void)
{
  fputs("usage: ", stderr);
  fputs(progname, stderr);
  fputs(" [options]... [script [args]...].\n"
  "Available options are:\n"
  "  -e chunk  Execute string " LUA_QL("chunk") ".\n"
  "  -l name   Require library " LUA_QL("name") ".\n"
  "  -b ...    Save or list bytecode.\n"
  "  -j cmd    Perform LuaJIT control command.\n"
  "  -O[opt]   Control LuaJIT optimizations.\n"
  "  -i        Enter interactive mode after executing " LUA_QL("script") ".\n"
  "  -v        Show version information.\n"
  "  -t<cmd>   Execute tool.\n"
  "  -E        Ignore environment variables.\n"
  "  --        Stop handling options.\n"
  "  -         Execute stdin and stop handling options.\n", stderr);
  fflush(stderr);
}

static void print_tools_usage(void)
{
  fputs("usage: ", stderr);
  fputs(progname, stderr);
  fputs(" -t<cmd>\n"
  "Available tools are:\n"
  "  -m [--leak-only] input  Memprof profile data parser.\n"
  "  -s input                Sysprof profile data parser.\n", stderr);
  fflush(stderr);
}

static void l_message(const char *pname, const char *msg)
{
  if (pname) { fputs(pname, stderr); fputc(':', stderr); fputc(' ', stderr); }
  fputs(msg, stderr); fputc('\n', stderr);
  fflush(stderr);
}

static int report(lua_State *L, int status)
{
  if (status && !lua_isnil(L, -1)) {
    const char *msg = lua_tostring(L, -1);
    if (msg == NULL) msg = "(error object is not a string)";
    l_message(progname, msg);
    lua_pop(L, 1);
  }
  return status;
}

static int traceback(lua_State *L)
{
  if (!lua_isstring(L, 1)) { /* Non-string error object? Try metamethod. */
    if (lua_isnoneornil(L, 1) ||
        !luaL_callmeta(L, 1, "__tostring") ||
        !lua_isstring(L, -1))
      return 1;  /* Return non-string error object. */
    lua_remove(L, 1);  /* Replace object by result of __tostring metamethod. */
  }
  luaL_traceback(L, L, lua_tostring(L, 1), 1);
  return 1;
}

static int docall(lua_State *L, int narg, int clear)
{
  int status;
  int base = lua_gettop(L) - narg;  /* function index */
  lua_pushcfunction(L, traceback);  /* push traceback function */
  lua_insert(L, base);  /* put it under chunk and args */
#if !LJ_TARGET_CONSOLE
  signal(SIGINT, laction);
#endif
  status = lua_pcall(L, narg, (clear ? 0 : LUA_MULTRET), base);
#if !LJ_TARGET_CONSOLE
  signal(SIGINT, SIG_DFL);
#endif
  lua_remove(L, base);  /* remove traceback function */
  /* force a complete garbage collection in case of errors */
  if (status != LUA_OK) lua_gc(L, LUA_GCCOLLECT, 0);
  return status;
}

static void print_version(void)
{
  fputs(LUAJIT_VERSION " -- " LUAJIT_COPYRIGHT ". " LUAJIT_URL "\n", stdout);
}

static void print_jit_status(lua_State *L)
{
  int n;
  const char *s;
  lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");
  lua_getfield(L, -1, "jit");  /* Get jit.* module table. */
  lua_remove(L, -2);
  lua_getfield(L, -1, "status");
  lua_remove(L, -2);
  n = lua_gettop(L);
  lua_call(L, 0, LUA_MULTRET);
  fputs(lua_toboolean(L, n) ? "JIT: ON" : "JIT: OFF", stdout);
  for (n++; (s = lua_tostring(L, n)); n++) {
    putc(' ', stdout);
    fputs(s, stdout);
  }
  putc('\n', stdout);
  lua_settop(L, 0);  /* clear stack */
}

static void createargtable(lua_State *L, char **argv, int argc, int argf)
{
  int i;
  lua_createtable(L, argc - argf, argf);
  for (i = 0; i < argc; i++) {
    lua_pushstring(L, argv[i]);
    lua_rawseti(L, -2, i - argf);
  }
  lua_setglobal(L, "arg");
}

static int dofile(lua_State *L, const char *name)
{
  int status = luaL_loadfile(L, name) || docall(L, 0, 1);
  return report(L, status);
}

static int dostring(lua_State *L, const char *s, const char *name)
{
  int status = luaL_loadbuffer(L, s, strlen(s), name) || docall(L, 0, 1);
  return report(L, status);
}

static int dolibrary(lua_State *L, const char *name)
{
  lua_getglobal(L, "require");
  lua_pushstring(L, name);
  return report(L, docall(L, 1, 1));
}

static void write_prompt(lua_State *L, int firstline)
{
  const char *p;
  lua_getfield(L, LUA_GLOBALSINDEX, firstline ? "_PROMPT" : "_PROMPT2");
  p = lua_tostring(L, -1);
  if (p == NULL) p = firstline ? LUA_PROMPT : LUA_PROMPT2;
  fputs(p, stdout);
  fflush(stdout);
  lua_pop(L, 1);  /* remove global */
}

static int incomplete(lua_State *L, int status)
{
  if (status == LUA_ERRSYNTAX) {
    size_t lmsg;
    const char *msg = lua_tolstring(L, -1, &lmsg);
    const char *tp = msg + lmsg - (sizeof(LUA_QL("<eof>")) - 1);
    if (strstr(msg, LUA_QL("<eof>")) == tp) {
      lua_pop(L, 1);
      return 1;
    }
  }
  return 0;  /* else... */
}

static int pushline(lua_State *L, int firstline)
{
  char buf[LUA_MAXINPUT];
  write_prompt(L, firstline);
  if (fgets(buf, LUA_MAXINPUT, stdin)) {
    size_t len = strlen(buf);
    if (len > 0 && buf[len-1] == '\n')
      buf[len-1] = '\0';
    if (firstline && buf[0] == '=')
      lua_pushfstring(L, "return %s", buf+1);
    else
      lua_pushstring(L, buf);
    return 1;
  }
  return 0;
}

static int loadline(lua_State *L)
{
  int status;
  lua_settop(L, 0);
  if (!pushline(L, 1))
    return -1;  /* no input */
  for (;;) {  /* repeat until gets a complete line */
    status = luaL_loadbuffer(L, lua_tostring(L, 1), lua_strlen(L, 1), "=stdin");
    if (!incomplete(L, status)) break;  /* cannot try to add lines? */
    if (!pushline(L, 0))  /* no more input? */
      return -1;
    lua_pushliteral(L, "\n");  /* add a new line... */
    lua_insert(L, -2);  /* ...between the two lines */
    lua_concat(L, 3);  /* join them */
  }
  lua_remove(L, 1);  /* remove line */
  return status;
}

static void dotty(lua_State *L)
{
  int status;
  const char *oldprogname = progname;
  progname = NULL;
  while ((status = loadline(L)) != -1) {
    if (status == LUA_OK) status = docall(L, 0, 0);
    report(L, status);
    if (status == LUA_OK && lua_gettop(L) > 0) {  /* any result to print? */
      lua_getglobal(L, "print");
      lua_insert(L, 1);
      if (lua_pcall(L, lua_gettop(L)-1, 0, 0) != 0)
        l_message(progname,
          lua_pushfstring(L, "error calling " LUA_QL("print") " (%s)",
                              lua_tostring(L, -1)));
    }
  }
  lua_settop(L, 0);  /* clear stack */
  fputs("\n", stdout);
  fflush(stdout);
  progname = oldprogname;
}

static int handle_script(lua_State *L, char **argx)
{
  int status;
  const char *fname = argx[0];
  if (strcmp(fname, "-") == 0 && strcmp(argx[-1], "--") != 0)
    fname = NULL;  /* stdin */
  status = luaL_loadfile(L, fname);
  if (status == LUA_OK) {
    /* Fetch args from arg table. LUA_INIT or -e might have changed them. */
    int narg = 0;
    lua_getglobal(L, "arg");
    if (lua_istable(L, -1)) {
      do {
        narg++;
        lua_rawgeti(L, -narg, narg);
      } while (!lua_isnil(L, -1));
      lua_pop(L, 1);
      lua_remove(L, -narg);
      narg--;
    } else {
      lua_pop(L, 1);
    }
    status = docall(L, narg, 0);
  }
  return report(L, status);
}

/* Load add-on module. */
static int loadjitmodule(lua_State *L)
{
  lua_getglobal(L, "require");
  lua_pushliteral(L, "jit.");
  lua_pushvalue(L, -3);
  lua_concat(L, 2);
  if (lua_pcall(L, 1, 1, 0)) {
    const char *msg = lua_tostring(L, -1);
    if (msg && !strncmp(msg, "module ", 7))
      goto nomodule;
    return report(L, 1);
  }
  lua_getfield(L, -1, "start");
  if (lua_isnil(L, -1)) {
  nomodule:
    l_message(progname,
              "unknown luaJIT command or jit.* modules not installed");
    return 1;
  }
  lua_remove(L, -2);  /* Drop module table. */
  return 0;
}

/* Run command with options. */
static int runcmdopt(lua_State *L, const char *opt)
{
  int narg = 0;
  if (opt && *opt) {
    for (;;) {  /* Split arguments. */
      const char *p = strchr(opt, ',');
      narg++;
      if (!p) break;
      if (p == opt)
        lua_pushnil(L);
      else
        lua_pushlstring(L, opt, (size_t)(p - opt));
      opt = p + 1;
    }
    if (*opt)
      lua_pushstring(L, opt);
    else
      lua_pushnil(L);
  }
  return report(L, lua_pcall(L, narg, 0, 0));
}

/* JIT engine control command: try jit library first or load add-on module. */
static int dojitcmd(lua_State *L, const char *cmd)
{
  const char *opt = strchr(cmd, '=');
  lua_pushlstring(L, cmd, opt ? (size_t)(opt - cmd) : strlen(cmd));
  lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");
  lua_getfield(L, -1, "jit");  /* Get jit.* module table. */
  lua_remove(L, -2);
  lua_pushvalue(L, -2);
  lua_gettable(L, -2);  /* Lookup library function. */
  if (!lua_isfunction(L, -1)) {
    lua_pop(L, 2);  /* Drop non-function and jit.* table, keep module name. */
    if (loadjitmodule(L))
      return 1;
  } else {
    lua_remove(L, -2);  /* Drop jit.* table. */
  }
  lua_remove(L, -2);  /* Drop module name. */
  return runcmdopt(L, opt ? opt+1 : opt);
}

static int runtoolcmd(lua_State *L, const char *tool_name)
{
  lua_getglobal(L, "require");
  lua_pushstring(L, tool_name);
  if (lua_pcall(L, 1, 1, 0)) {
    const char *msg = lua_tostring(L, -1);
    if (msg) {
      if (!strncmp(msg, "module ", 7))
        msg = "unknown luaJIT command or tools not installed";
      l_message(progname, msg);
    }
    return 1;
  }
  lua_getglobal(L, "arg");
  return report(L, lua_pcall(L, 1, 1, 0));
}

static int dotoolcmd(lua_State *L, const char *cmd)
{
  switch (cmd[0]) {
  case 'm':
    return runtoolcmd(L, "memprof");
  case 's':
    return runtoolcmd(L, "sysprof");
  default:
    print_tools_usage();
    break;
  }
  return -1;
}

/* Optimization flags. */
static int dojitopt(lua_State *L, const char *opt)
{
  lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");
  lua_getfield(L, -1, "jit.opt");  /* Get jit.opt.* module table. */
  lua_remove(L, -2);
  lua_getfield(L, -1, "start");
  lua_remove(L, -2);
  return runcmdopt(L, opt);
}

/* Save or list bytecode. */
static int dobytecode(lua_State *L, char **argv)
{
  int narg = 0;
  lua_pushliteral(L, "bcsave");
  if (loadjitmodule(L))
    return 1;
  if (argv[0][2]) {
    narg++;
    argv[0][1] = '-';
    lua_pushstring(L, argv[0]+1);
  }
  for (argv++; *argv != NULL; narg++, argv++)
    lua_pushstring(L, *argv);
  report(L, lua_pcall(L, narg, 0, 0));
  return -1;
}

/* check that argument has no extra characters at the end */
#define notail(x)        {if ((x)[2] != '\0') return -1;}

#define FLAGS_INTERACTIVE        1
#define FLAGS_VERSION                2
#define FLAGS_EXEC                4
#define FLAGS_OPTION                8
#define FLAGS_NOENV                16
#define FLAGS_TOOL                32

static int collectargs(char **argv, int *flags)
{
  int i;
  for (i = 1; argv[i] != NULL; i++) {
    if (argv[i][0] != '-')  /* Not an option? */
      return i;
    switch (argv[i][1]) {  /* Check option. */
    case '-':
      notail(argv[i]);
      return i+1;
    case '\0':
      return i;
    case 'i':
      notail(argv[i]);
      *flags |= FLAGS_INTERACTIVE;
      /* fallthrough */
    case 'v':
      notail(argv[i]);
      *flags |= FLAGS_VERSION;
      break;
    case 't':
      *flags |= FLAGS_TOOL;
      return i + 1;
    case 'e':
      *flags |= FLAGS_EXEC;
      /* fallthrough */
    case 'j':  /* LuaJIT extension */
    case 'l':
      *flags |= FLAGS_OPTION;
      if (argv[i][2] == '\0') {
        i++;
        if (argv[i] == NULL) return -1;
      }
      break;
    case 'O': break;  /* LuaJIT extension */
    case 'b':  /* LuaJIT extension */
      if (*flags) return -1;
      *flags |= FLAGS_EXEC;
      return i+1;
    case 'E':
      *flags |= FLAGS_NOENV;
      break;
    default: return -1;  /* invalid option */
    }
  }
  return i;
}

static int runargs(lua_State *L, char **argv, int argn)
{
  int i;
  for (i = 1; i < argn; i++) {
    if (argv[i] == NULL) continue;
    lua_assert(argv[i][0] == '-');
    switch (argv[i][1]) {
    case 'e': {
      const char *chunk = argv[i] + 2;
      if (*chunk == '\0') chunk = argv[++i];
      lua_assert(chunk != NULL);
      if (dostring(L, chunk, "=(command line)") != 0)
        return 1;
      break;
      }
    case 'l': {
      const char *filename = argv[i] + 2;
      if (*filename == '\0') filename = argv[++i];
      lua_assert(filename != NULL);
      if (dolibrary(L, filename))
        return 1;
      break;
      }
    case 'j': {  /* LuaJIT extension. */
      const char *cmd = argv[i] + 2;
      if (*cmd == '\0') cmd = argv[++i];
      lua_assert(cmd != NULL);
      if (dojitcmd(L, cmd))
        return 1;
      break;
      }
    case 't': { /* Tarantool's fork extension. */
      const char *cmd = argv[i] + 2;
      return dotoolcmd(L, cmd) != LUA_OK;
    }
    case 'O':  /* LuaJIT extension. */
      if (dojitopt(L, argv[i] + 2))
        return 1;
      break;
    case 'b':  /* LuaJIT extension. */
      return dobytecode(L, argv+i);
    default: break;
    }
  }
  return LUA_OK;
}

static int handle_luainit(lua_State *L)
{
#if LJ_TARGET_CONSOLE
  const char *init = NULL;
#else
  const char *init = getenv(LUA_INIT);
#endif
  if (init == NULL)
    return LUA_OK;
  else if (init[0] == '@')
    return dofile(L, init+1);
  else
    return dostring(L, init, "=" LUA_INIT);
}

static struct Smain {
  char **argv;
  int argc;
  int status;
} smain;

static int pmain(lua_State *L)
{
  struct Smain *s = &smain;
  char **argv = s->argv;
  int argn;
  int flags = 0;
  globalL = L;
  if (argv[0] && argv[0][0]) progname = argv[0];

  LUAJIT_VERSION_SYM();  /* Linker-enforced version check. */

  argn = collectargs(argv, &flags);
  if (argn < 0) {  /* Invalid args? */
    print_usage();
    s->status = 1;
    return 0;
  }

  if ((flags & FLAGS_NOENV)) {
    lua_pushboolean(L, 1);
    lua_setfield(L, LUA_REGISTRYINDEX, "LUA_NOENV");
  }

  /* Stop collector during library initialization. */
  lua_gc(L, LUA_GCSTOP, 0);
  luaL_openlibs(L);
  lua_gc(L, LUA_GCRESTART, -1);

  createargtable(L, argv, s->argc, (flags & FLAGS_TOOL) ? argn - 1 : argn);

  if (!(flags & FLAGS_NOENV)) {
    s->status = handle_luainit(L);
    if (s->status != LUA_OK) return 0;
  }

  if ((flags & FLAGS_VERSION)) print_version();

  s->status = runargs(L, argv, argn);
  if (s->status != LUA_OK) return 0;

  if (s->argc > argn) {
    s->status = handle_script(L, argv + argn);
    if (s->status != LUA_OK) return 0;
  }

  if ((flags & FLAGS_INTERACTIVE)) {
    print_jit_status(L);
    dotty(L);
  } else if (s->argc == argn && !(flags & (FLAGS_EXEC|FLAGS_VERSION))) {
    if (lua_stdin_is_tty()) {
      print_version();
      print_jit_status(L);
      dotty(L);
    } else {
      dofile(L, NULL);  /* Executes stdin as a file. */
    }
  }
  return 0;
}

int main(int argc, char **argv)
{
  int status;
  lua_State *L = lua_open();
  if (L == NULL) {
    l_message(argv[0], "cannot create state: not enough memory");
    return EXIT_FAILURE;
  }
  smain.argc = argc;
  smain.argv = argv;
  status = lua_cpcall(L, pmain, NULL);
  report(L, status);
  lua_close(L);
  return (status || smain.status > 0) ? EXIT_FAILURE : EXIT_SUCCESS;
}


1	/*
2	** LuaJIT frontend. Runs commands, scripts, read-eval-print (REPL) etc.
3	** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
4	**
5	** Major portions taken verbatim or adapted from the Lua interpreter.
6	** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h
7	*/
8
9	#include <stdio.h>
10	#include <stdlib.h>
11	#include <string.h>
12
13	#define luajit_c
14
15	#include "lua.h"
16	#include "lauxlib.h"
17	#include "lualib.h"
18	#include "luajit.h"
19
20	#include "lj_arch.h"
21
22	#if LJ_TARGET_POSIX
23	#include <unistd.h>
24	#define lua_stdin_is_tty() isatty(0)
25	#elif LJ_TARGET_WINDOWS
26	#include <io.h>
27	#ifdef __BORLANDC__
28	#define lua_stdin_is_tty() isatty(_fileno(stdin))
29	#else
30	#define lua_stdin_is_tty() _isatty(_fileno(stdin))
31	#endif
32	#else
33	#define lua_stdin_is_tty() 1
34	#endif
35
36	#if !LJ_TARGET_CONSOLE
37	#include <signal.h>
38	#endif
39
40	static lua_State *globalL = NULL;
41	static const char *progname = LUA_PROGNAME;
42
43	#if !LJ_TARGET_CONSOLE
44	static void lstop(lua_State L, lua_Debug ar)	×
45	{
46	(void)ar; /* unused arg. */	×
47	lua_sethook(L, NULL, 0, 0);	×
48	/* Avoid luaL_error -- a C hook doesn't add an extra frame. */
49	luaL_where(L, 0);	×
50	lua_pushfstring(L, "%sinterrupted!", lua_tostring(L, -1));	×
51	lua_error(L);	×
52	}	×
53
54	static void laction(int i)	×
55	{
56	signal(i, SIG_DFL); /* if another SIGINT happens before lstop,	×
57	terminate process (default action) */
58	lua_sethook(globalL, lstop, LUA_MASKCALL \| LUA_MASKRET \| LUA_MASKCOUNT, 1);	×
59	}	×
60	#endif
61
62	static void print_usage(void)	5✔
63	{
64	fputs("usage: ", stderr);	5✔
65	fputs(progname, stderr);	5✔
66	fputs(" [options]... [script [args]...].\n"	5✔
67	"Available options are:\n"
68	" -e chunk Execute string " LUA_QL("chunk") ".\n"
69	" -l name Require library " LUA_QL("name") ".\n"
70	" -b ... Save or list bytecode.\n"
71	" -j cmd Perform LuaJIT control command.\n"
72	" -O[opt] Control LuaJIT optimizations.\n"
73	" -i Enter interactive mode after executing " LUA_QL("script") ".\n"
74	" -v Show version information.\n"
75	" -t<cmd> Execute tool.\n"
76	" -E Ignore environment variables.\n"
77	" -- Stop handling options.\n"
78	" - Execute stdin and stop handling options.\n", stderr);
79	fflush(stderr);	5✔
80	}	5✔
81
82	static void print_tools_usage(void)	2✔
83	{
84	fputs("usage: ", stderr);	2✔
85	fputs(progname, stderr);	2✔
86	fputs(" -t<cmd>\n"	2✔
87	"Available tools are:\n"
88	" -m [--leak-only] input Memprof profile data parser.\n"
89	" -s input Sysprof profile data parser.\n", stderr);
90	fflush(stderr);	2✔
91	}	2✔
92
93	static void l_message(const char pname, const char msg)	9✔
94	{
95	if (pname) { fputs(pname, stderr); fputc(':', stderr); fputc(' ', stderr); }	9✔
96	fputs(msg, stderr); fputc('\n', stderr);	9✔
97	fflush(stderr);	9✔
98	}	9✔
99
100	static int report(lua_State *L, int status)	619✔
101	{
102	if (status && !lua_isnil(L, -1)) {	619✔
103	const char *msg = lua_tostring(L, -1);	8✔
104	if (msg == NULL) msg = "(error object is not a string)";	8✔
105	l_message(progname, msg);	8✔
106	lua_pop(L, 1);	8✔
107	}
108	return status;	619✔
109	}
110
111	static int traceback(lua_State *L)	6✔
112	{
113	if (!lua_isstring(L, 1)) { /* Non-string error object? Try metamethod. */	6✔
114	if (lua_isnoneornil(L, 1) \|\|	2✔
115	!luaL_callmeta(L, 1, "__tostring") \|\|	1✔
116	!lua_isstring(L, -1))	×
117	return 1; /* Return non-string error object. */	1✔
118	lua_remove(L, 1); /* Replace object by result of __tostring metamethod. */	×
119	}
120	luaL_traceback(L, L, lua_tostring(L, 1), 1);	5✔
121	return 1;	5✔
122	}
123
124	static int docall(lua_State *L, int narg, int clear)	615✔
125	{
126	int status;	615✔
127	int base = lua_gettop(L) - narg; /* function index */	615✔
128	lua_pushcfunction(L, traceback); /* push traceback function */	615✔
129	lua_insert(L, base); /* put it under chunk and args */	615✔
130	#if !LJ_TARGET_CONSOLE
131	signal(SIGINT, laction);	615✔
132	#endif
133	status = lua_pcall(L, narg, (clear ? 0 : LUA_MULTRET), base);	889✔
134	#if !LJ_TARGET_CONSOLE
135	signal(SIGINT, SIG_DFL);	445✔
136	#endif
137	lua_remove(L, base); /* remove traceback function */	445✔
138	/* force a complete garbage collection in case of errors */
139	if (status != LUA_OK) lua_gc(L, LUA_GCCOLLECT, 0);	445✔
140	return status;	445✔
141	}
142
143	static void print_version(void)	8✔
144	{
145	fputs(LUAJIT_VERSION " -- " LUAJIT_COPYRIGHT ". " LUAJIT_URL "\n", stdout);	8✔
146	}	8✔
147
148	static void print_jit_status(lua_State *L)	4✔
149	{
150	int n;	4✔
151	const char *s;	4✔
152	lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");	4✔
153	lua_getfield(L, -1, "jit"); /* Get jit.* module table. */	4✔
154	lua_remove(L, -2);	4✔
155	lua_getfield(L, -1, "status");	4✔
156	lua_remove(L, -2);	4✔
157	n = lua_gettop(L);	4✔
158	lua_call(L, 0, LUA_MULTRET);	4✔
159	fputs(lua_toboolean(L, n) ? "JIT: ON" : "JIT: OFF", stdout);	4✔
160	for (n++; (s = lua_tostring(L, n)); n++) {	60✔
161	putc(' ', stdout);	56✔
162	fputs(s, stdout);	56✔
163	}
164	putc('\n', stdout);	4✔
165	lua_settop(L, 0); /* clear stack */	4✔
166	}	4✔
167
168	static void createargtable(lua_State L, char *argv, int argc, int argf)	328✔
169	{
170	int i;	328✔
171	lua_createtable(L, argc - argf, argf);	328✔
172	for (i = 0; i < argc; i++) {	2,105✔
173	lua_pushstring(L, argv[i]);	1,449✔
174	lua_rawseti(L, -2, i - argf);	1,449✔
175	}
176	lua_setglobal(L, "arg");	328✔
177	}	328✔
178
179	static int dofile(lua_State L, const char name)	1✔
180	{
181	int status = luaL_loadfile(L, name) \|\| docall(L, 0, 1);	1✔
182	return report(L, status);	1✔
183	}
184
185	static int dostring(lua_State L, const char s, const char *name)	283✔
186	{
187	int status = luaL_loadbuffer(L, s, strlen(s), name) \|\| docall(L, 0, 1);	283✔
188	return report(L, status);	280✔
189	}
190
191	static int dolibrary(lua_State L, const char name)	59✔
192	{
193	lua_getglobal(L, "require");	59✔
194	lua_pushstring(L, name);	59✔
195	return report(L, docall(L, 1, 1));	59✔
196	}
197
198	static void write_prompt(lua_State *L, int firstline)	131✔
199	{
200	const char *p;	131✔
201	lua_getfield(L, LUA_GLOBALSINDEX, firstline ? "_PROMPT" : "_PROMPT2");	240✔
202	p = lua_tostring(L, -1);	131✔
203	if (p == NULL) p = firstline ? LUA_PROMPT : LUA_PROMPT2;	131✔
204	fputs(p, stdout);	131✔
205	fflush(stdout);	131✔
206	lua_pop(L, 1); /* remove global */	131✔
207	}	131✔
208
209	static int incomplete(lua_State *L, int status)	127✔
210	{
211	if (status == LUA_ERRSYNTAX) {	127✔
212	size_t lmsg;	109✔
213	const char *msg = lua_tolstring(L, -1, &lmsg);	109✔
214	const char *tp = msg + lmsg - (sizeof(LUA_QL("<eof>")) - 1);	109✔
215	if (strstr(msg, LUA_QL("<eof>")) == tp) {	109✔
216	lua_pop(L, 1);	109✔
217	return 1;	109✔
218	}
219	}
220	return 0; /* else... */
221	}
222
223	static int pushline(lua_State *L, int firstline)	131✔
224	{
225	char buf[LUA_MAXINPUT];	131✔
226	write_prompt(L, firstline);	131✔
227	if (fgets(buf, LUA_MAXINPUT, stdin)) {	131✔
228	size_t len = strlen(buf);	127✔
229	if (len > 0 && buf[len-1] == '\n')	127✔
230	buf[len-1] = '\0';	125✔
231	if (firstline && buf[0] == '=')	127✔
232	lua_pushfstring(L, "return %s", buf+1);	5✔
233	else
234	lua_pushstring(L, buf);	122✔
235	return 1;	127✔
236	}
237	return 0;
238	}
239
240	static int loadline(lua_State *L)	22✔
241	{
242	int status;	22✔
243	lua_settop(L, 0);	22✔
244	if (!pushline(L, 1))	22✔
245	return -1; /* no input */
246	for (;;) { /* repeat until gets a complete line */	236✔
247	status = luaL_loadbuffer(L, lua_tostring(L, 1), lua_strlen(L, 1), "=stdin");	127✔
248	if (!incomplete(L, status)) break; /* cannot try to add lines? */	127✔
249	if (!pushline(L, 0)) /* no more input? */	109✔
250	return -1;
251	lua_pushliteral(L, "\n"); /* add a new line... */	109✔
252	lua_insert(L, -2); /* ...between the two lines */	109✔
253	lua_concat(L, 3); /* join them */	109✔
254	}
255	lua_remove(L, 1); /* remove line */	18✔
256	return status;	18✔
257	}
258
259	static void dotty(lua_State *L)	4✔
260	{
261	int status;	4✔
262	const char *oldprogname = progname;	4✔
263	progname = NULL;	4✔
264	while ((status = loadline(L)) != -1) {	26✔
265	if (status == LUA_OK) status = docall(L, 0, 0);	18✔
266	report(L, status);	18✔
267	if (status == LUA_OK && lua_gettop(L) > 0) { /* any result to print? */	18✔
268	lua_getglobal(L, "print");	5✔
269	lua_insert(L, 1);	5✔
270	if (lua_pcall(L, lua_gettop(L)-1, 0, 0) != 0)	5✔
271	l_message(progname,	×
272	lua_pushfstring(L, "error calling " LUA_QL("print") " (%s)",
273	lua_tostring(L, -1)));
274	}
275	}
276	lua_settop(L, 0); /* clear stack */	4✔
277	fputs("\n", stdout);	4✔
278	fflush(stdout);	4✔
279	progname = oldprogname;	4✔
280	}	4✔
281
282	static int handle_script(lua_State L, char *argx)	257✔
283	{
284	int status;	257✔
285	const char *fname = argx[0];	257✔
286	if (strcmp(fname, "-") == 0 && strcmp(argx[-1], "--") != 0)	257✔
287	fname = NULL; /* stdin */	4✔
288	status = luaL_loadfile(L, fname);	257✔
289	if (status == LUA_OK) {	257✔
290	/* Fetch args from arg table. LUA_INIT or -e might have changed them. */
291	int narg = 0;	256✔
292	lua_getglobal(L, "arg");	256✔
293	if (lua_istable(L, -1)) {	256✔
294	do {	315✔
295	narg++;	315✔
296	lua_rawgeti(L, -narg, narg);	315✔
297	} while (!lua_isnil(L, -1));	315✔
298	lua_pop(L, 1);	256✔
299	lua_remove(L, -narg);	256✔
300	narg--;	256✔
301	} else {
302	lua_pop(L, 1);	×
303	}
304	status = docall(L, narg, 0);	256✔
305	}
306	return report(L, status);	90✔
307	}
308
309	/* Load add-on module. */
310	static int loadjitmodule(lua_State *L)	17✔
311	{
312	lua_getglobal(L, "require");	17✔
313	lua_pushliteral(L, "jit.");	17✔
314	lua_pushvalue(L, -3);	17✔
315	lua_concat(L, 2);	17✔
316	if (lua_pcall(L, 1, 1, 0)) {	17✔
317	const char *msg = lua_tostring(L, -1);	1✔
318	if (msg && !strncmp(msg, "module ", 7))	1✔
319	goto nomodule;	1✔
320	return report(L, 1);	×
321	}
322	lua_getfield(L, -1, "start");	16✔
323	if (lua_isnil(L, -1)) {	16✔
324	nomodule:	×
325	l_message(progname,	1✔
326	"unknown luaJIT command or jit.* modules not installed");
327	return 1;	1✔
328	}
329	lua_remove(L, -2); /* Drop module table. */	16✔
330	return 0;	16✔
331	}
332
333	/* Run command with options. */
334	static int runcmdopt(lua_State L, const char opt)	10✔
335	{
336	int narg = 0;	10✔
337	if (opt && *opt) {	10✔
338	for (;;) { /* Split arguments. */	10✔
339	const char *p = strchr(opt, ',');	8✔
340	narg++;	8✔
341	if (!p) break;	8✔
342	if (p == opt)	2✔
343	lua_pushnil(L);	×
344	else
345	lua_pushlstring(L, opt, (size_t)(p - opt));	2✔
346	opt = p + 1;	2✔
347	}
348	if (*opt)	6✔
349	lua_pushstring(L, opt);	6✔
350	else
351	lua_pushnil(L);	×
352	}
353	return report(L, lua_pcall(L, narg, 0, 0));	10✔
354	}
355
356	/* JIT engine control command: try jit library first or load add-on module. */
357	static int dojitcmd(lua_State L, const char cmd)	4✔
358	{
359	const char *opt = strchr(cmd, '=');	4✔
360	lua_pushlstring(L, cmd, opt ? (size_t)(opt - cmd) : strlen(cmd));	4✔
361	lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");	4✔
362	lua_getfield(L, -1, "jit"); /* Get jit.* module table. */	4✔
363	lua_remove(L, -2);	4✔
364	lua_pushvalue(L, -2);	4✔
365	lua_gettable(L, -2); /* Lookup library function. */	4✔
366	if (!lua_isfunction(L, -1)) {	4✔
367	lua_pop(L, 2); /* Drop non-function and jit.* table, keep module name. */	1✔
368	if (loadjitmodule(L))	1✔
369	return 1;
370	} else {
371	lua_remove(L, -2); /* Drop jit.* table. */	3✔
372	}
373	lua_remove(L, -2); /* Drop module name. */	3✔
374	return runcmdopt(L, opt ? opt+1 : opt);	3✔
375	}
376
377	static int runtoolcmd(lua_State L, const char tool_name)	18✔
378	{
379	lua_getglobal(L, "require");	18✔
380	lua_pushstring(L, tool_name);	18✔
381	if (lua_pcall(L, 1, 1, 0)) {	18✔
382	const char *msg = lua_tostring(L, -1);	×
383	if (msg) {	×
384	if (!strncmp(msg, "module ", 7))	×
385	msg = "unknown luaJIT command or tools not installed";	×
386	l_message(progname, msg);	×
387	}
388	return 1;	×
389	}
390	lua_getglobal(L, "arg");	18✔
391	return report(L, lua_pcall(L, 1, 1, 0));	18✔
392	}
393
394	static int dotoolcmd(lua_State L, const char cmd)
395	{
396	switch (cmd[0]) {
397	case 'm':
398	return runtoolcmd(L, "memprof");
399	case 's':
400	return runtoolcmd(L, "sysprof");
401	default:
402	print_tools_usage();
403	break;
404	}
405	return -1;
406	}
407
408	/* Optimization flags. */
409	static int dojitopt(lua_State L, const char opt)	7✔
410	{
411	lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");	7✔
412	lua_getfield(L, -1, "jit.opt"); /* Get jit.opt.* module table. */	7✔
413	lua_remove(L, -2);	7✔
414	lua_getfield(L, -1, "start");	7✔
415	lua_remove(L, -2);	7✔
416	return runcmdopt(L, opt);	7✔
417	}
418
419	/* Save or list bytecode. */
420	static int dobytecode(lua_State L, char *argv)	16✔
421	{
422	int narg = 0;	16✔
423	lua_pushliteral(L, "bcsave");	16✔
424	if (loadjitmodule(L))	16✔
425	return 1;
426	if (argv[0][2]) {	16✔
427	narg++;	4✔
428	argv[0][1] = '-';	4✔
429	lua_pushstring(L, argv[0]+1);	4✔
430	}
431	for (argv++; *argv != NULL; narg++, argv++)	57✔
432	lua_pushstring(L, *argv);	41✔
433	report(L, lua_pcall(L, narg, 0, 0));	16✔
434	return -1;	16✔
435	}
436
437	/* check that argument has no extra characters at the end */
438	#define notail(x) {if ((x)[2] != '\0') return -1;}
439
440	#define FLAGS_INTERACTIVE 1
441	#define FLAGS_VERSION 2
442	#define FLAGS_EXEC 4
443	#define FLAGS_OPTION 8
444	#define FLAGS_NOENV 16
445	#define FLAGS_TOOL 32
446
447	static int collectargs(char *argv, int flags)	333✔
448	{
449	int i;	333✔
450	for (i = 1; argv[i] != NULL; i++) {	696✔
451	if (argv[i][0] != '-') /* Not an option? */	665✔
452	return i;	255✔
453	switch (argv[i][1]) { /* Check option. */	410✔
454	case '-':	3✔
455	notail(argv[i]);	3✔
456	return i+1;	2✔
457	case '\0':
458	return i;
459	case 'i':	4✔
460	notail(argv[i]);	4✔
461	*flags \|= FLAGS_INTERACTIVE;	4✔
462	/* fallthrough */
463	case 'v':	8✔
464	notail(argv[i]);	8✔
465	*flags \|= FLAGS_VERSION;	8✔
466	break;	8✔
467	case 't':	20✔
468	*flags \|= FLAGS_TOOL;	20✔
469	return i + 1;	20✔
470	case 'e':	286✔
471	*flags \|= FLAGS_EXEC;	286✔
472	/* fallthrough */
473	case 'j': /* LuaJIT extension */	349✔
474	case 'l':
475	*flags \|= FLAGS_OPTION;	349✔
476	if (argv[i][2] == '\0') {	349✔
477	i++;	335✔
478	if (argv[i] == NULL) return -1;	335✔
479	}
480	break;
481	case 'O': break; /* LuaJIT extension */
482	case 'b': /* LuaJIT extension */	16✔
483	if (*flags) return -1;	16✔
484	*flags \|= FLAGS_EXEC;	16✔
485	return i+1;	16✔
486	case 'E':	1✔
487	*flags \|= FLAGS_NOENV;	1✔
488	break;	1✔
489	default: return -1; /* invalid option */
490	}
491	}
492	return i;
493	}
494
495	static int runargs(lua_State L, char *argv, int argn)	328✔
496	{
497	int i;	328✔
498	for (i = 1; i < argn; i++) {	682✔
499	if (argv[i] == NULL) continue;	400✔
500	lua_assert(argv[i][0] == '-');	400✔
501	switch (argv[i][1]) {	400✔
502	case 'e': {	283✔
503	const char *chunk = argv[i] + 2;	283✔
504	if (*chunk == '\0') chunk = argv[++i];	283✔
505	lua_assert(chunk != NULL);	283✔
506	if (dostring(L, chunk, "=(command line)") != 0)	283✔
507	return 1;
508	break;
509	}
510	case 'l': {	59✔
511	const char *filename = argv[i] + 2;	59✔
512	if (*filename == '\0') filename = argv[++i];	59✔
513	lua_assert(filename != NULL);	59✔
514	if (dolibrary(L, filename))	59✔
515	return 1;
516	break;
517	}
518	case 'j': { /* LuaJIT extension. */	4✔
519	const char *cmd = argv[i] + 2;	4✔
520	if (*cmd == '\0') cmd = argv[++i];	4✔
521	lua_assert(cmd != NULL);	4✔
522	if (dojitcmd(L, cmd))	4✔
523	return 1;
524	break;
525	}
526	case 't': { /* Tarantool's fork extension. */	20✔
527	const char *cmd = argv[i] + 2;	20✔
528	return dotoolcmd(L, cmd) != LUA_OK;	20✔
529	}
530	case 'O': /* LuaJIT extension. */	7✔
531	if (dojitopt(L, argv[i] + 2))	7✔
532	return 1;
533	break;
534	case 'b': /* LuaJIT extension. */	16✔
535	return dobytecode(L, argv+i);	16✔
536	default: break;
537	}
538	}
539	return LUA_OK;
540	}
541
542	static int handle_luainit(lua_State *L)	327✔
543	{
544	#if LJ_TARGET_CONSOLE
545	const char *init = NULL;
546	#else
547	const char *init = getenv(LUA_INIT);	327✔
548	#endif
549	if (init == NULL)	327✔
550	return LUA_OK;
551	else if (init[0] == '@')	×
552	return dofile(L, init+1);	×
553	else
554	return dostring(L, init, "=" LUA_INIT);	×
555	}
556
557	static struct Smain {
558	char **argv;
559	int argc;
560	int status;
561	} smain;
562
563	static int pmain(lua_State *L)	333✔
564	{
565	struct Smain *s = &smain;	333✔
566	char **argv = s->argv;	333✔
567	int argn;	333✔
568	int flags = 0;	333✔
569	globalL = L;	333✔
570	if (argv[0] && argv[0][0]) progname = argv[0];	333✔
571
572	LUAJIT_VERSION_SYM(); /* Linker-enforced version check. */	333✔
573
574	argn = collectargs(argv, &flags);	333✔
575	if (argn < 0) { /* Invalid args? */	333✔
576	print_usage();	5✔
577	s->status = 1;	5✔
578	return 0;	5✔
579	}
580
581	if ((flags & FLAGS_NOENV)) {	328✔
582	lua_pushboolean(L, 1);	1✔
583	lua_setfield(L, LUA_REGISTRYINDEX, "LUA_NOENV");	1✔
584	}
585
586	/* Stop collector during library initialization. */
587	lua_gc(L, LUA_GCSTOP, 0);	328✔
588	luaL_openlibs(L);	328✔
589	lua_gc(L, LUA_GCRESTART, -1);	328✔
590
591	createargtable(L, argv, s->argc, (flags & FLAGS_TOOL) ? argn - 1 : argn);	328✔
592
593	if (!(flags & FLAGS_NOENV)) {	328✔
594	s->status = handle_luainit(L);	327✔
595	if (s->status != LUA_OK) return 0;	327✔
596	}
597
598	if ((flags & FLAGS_VERSION)) print_version();	328✔
599
600	s->status = runargs(L, argv, argn);	328✔
601	if (s->status != LUA_OK) return 0;	307✔
602
603	if (s->argc > argn) {	282✔
604	s->status = handle_script(L, argv + argn);	257✔
605	if (s->status != LUA_OK) return 0;	90✔
606	}
607
608	if ((flags & FLAGS_INTERACTIVE)) {	113✔
609	print_jit_status(L);	4✔
610	dotty(L);	4✔
611	} else if (s->argc == argn && !(flags & (FLAGS_EXEC\|FLAGS_VERSION))) {	109✔
612	if (lua_stdin_is_tty()) {	1✔
613	print_version();	×
614	print_jit_status(L);	×
615	dotty(L);	×
616	} else {
617	dofile(L, NULL); /* Executes stdin as a file. */	1✔
618	}
619	}
620	return 0;
621	}
622
623	int main(int argc, char **argv)	333✔
624	{
625	int status;	333✔
626	lua_State *L = lua_open();	333✔
627	if (L == NULL) {	333✔
628	l_message(argv[0], "cannot create state: not enough memory");	×
629	return EXIT_FAILURE;	×
630	}
631	smain.argc = argc;	333✔
632	smain.argv = argv;	333✔
633	status = lua_cpcall(L, pmain, NULL);	333✔
634	report(L, status);	145✔
635	lua_close(L);	145✔
636	return (status \|\| smain.status > 0) ? EXIT_FAILURE : EXIT_SUCCESS;	145✔
637	}
638

tarantool / luajit / 10989931638

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