Exemple #1
0
static int
load_file(mrb_state *mrb, struct mrbc_args *args)
{
  mrbc_context *c;
  mrb_value result;
  char *input = args->argv[args->idx];
  FILE *infile;

  c = mrbc_context_new(mrb);
  if (args->verbose)
    c->dump_result = 1;
  c->no_exec = 1;
  if (input[0] == '-' && input[1] == '\0') {
    infile = stdin;
  }
  else if ((infile = fopen(input, "r")) == NULL) {
    fprintf(stderr, "%s: cannot open program file. (%s)\n", args->prog, input);
    return EXIT_FAILURE;
  }
  mrbc_filename(mrb, c, input);
  args->idx++;
  if (args->idx < args->argc) {
    mrbc_partial_hook(mrb, c, partial_hook, (void*)args);
  }

  result = mrb_load_file_cxt(mrb, infile, c);
  if (mrb_undef_p(result) || mrb_fixnum(result) < 0) {
    mrbc_context_free(mrb, c);
    return EXIT_FAILURE;
  }
  mrbc_context_free(mrb, c);
  return EXIT_SUCCESS;
}
Exemple #2
0
static void
load_rb_file(mrb_state *mrb, mrb_value filepath)
{
  FILE *file;
  char *fpath = RSTRING_PTR(filepath);
  mrbc_context *mrbc_ctx;

  {
    FILE *fp = fopen(fpath, "r");
    if (fp == NULL) {
      mrb_load_fail(mrb, filepath, "cannot load such file");
      return;
    }
    fclose(fp);
  }

  mrbc_ctx = mrbc_context_new(mrb);

  file = fopen((const char*)fpath, "r");
  mrbc_filename(mrb, mrbc_ctx, fpath);
  mrb_load_file_cxt(mrb, file, mrbc_ctx);
  fclose(file);

  mrbc_context_free(mrb, mrbc_ctx);
}
Exemple #3
0
static int
compile_rb2mrb(mrb_state *mrb0, const char *code, int code_len, const char *path, FILE* tmpfp)
{
  mrb_state *mrb = mrb_open();
  mrb_value result;
  mrbc_context *c;
  int ret = -1;
  int debuginfo = 1;
  mrb_irep *irep;

  c = mrbc_context_new(mrb);
  c->no_exec = 1;
  if (path != NULL) {
    mrbc_filename(mrb, c, path);
  }

  result = mrb_load_nstring_cxt(mrb, code, code_len, c);
  if (mrb_undef_p(result)) {
    mrbc_context_free(mrb, c);
    mrb_close(mrb);
    return MRB_DUMP_GENERAL_FAILURE;
  }

  irep = mrb_proc_ptr(result)->body.irep;
  ret = mrb_dump_irep_binary(mrb, irep, debuginfo, tmpfp);

  mrbc_context_free(mrb, c);
  mrb_close(mrb);

  return ret;
}
Exemple #4
0
static struct RProc*
create_proc_from_string(mrb_state *mrb, char *s, int len, mrb_value binding, char *file, mrb_int line)
{
  mrbc_context *cxt;
  struct mrb_parser_state *p;
  struct RProc *proc;
  struct REnv *e;

  if (!mrb_nil_p(binding)) {
    mrb_raise(mrb, E_ARGUMENT_ERROR, "Binding of eval must be nil.");
  }

  cxt = mrbc_context_new(mrb);
  cxt->lineno = line;
  if (file) {
    mrbc_filename(mrb, cxt, file);
  }
  cxt->capture_errors = TRUE;

  p = mrb_parse_nstring(mrb, s, len, cxt);

  /* only occur when memory ran out */
  if (!p) {
    mrb_raise(mrb, E_RUNTIME_ERROR, "Failed to create parser state.");
  }

  if (0 < p->nerr) {
    /* parse error */
    char buf[256];
    int n;
    n = snprintf(buf, sizeof(buf), "line %d: %s\n", p->error_buffer[0].lineno, p->error_buffer[0].message);
    mrb_parser_free(p);
    mrbc_context_free(mrb, cxt);
    mrb_exc_raise(mrb, mrb_exc_new(mrb, E_SYNTAX_ERROR, buf, n));
  }

  proc = mrb_generate_code(mrb, p);
  if (proc == NULL) {
    /* codegen error */
    mrb_parser_free(p);
    mrbc_context_free(mrb, cxt);
    mrb_raise(mrb, E_SCRIPT_ERROR, "codegen error");
  }
  if (mrb->c->ci[-1].proc->target_class) {
    proc->target_class = mrb->c->ci[-1].proc->target_class;
  }
  e = (struct REnv*)mrb_obj_alloc(mrb, MRB_TT_ENV, (struct RClass*)mrb->c->ci[-1].proc->env);
  e->mid = mrb->c->ci[-1].mid;
  e->cioff = mrb->c->ci - mrb->c->cibase - 1;
  e->stack = mrb->c->ci->stackent;
  mrb->c->ci->env = e;
  proc->env = e;
  patch_irep(mrb, proc->body.irep, 0);

  mrb_parser_free(p);
  mrbc_context_free(mrb, cxt);

  return proc;
}
static ngx_int_t ngx_stream_mruby_shared_state_compile(ngx_conf_t *cf, mrb_state *mrb, ngx_mrb_code_t *code)
{
  FILE *mrb_file;
  struct mrb_parser_state *p;

  if (code->code_type == NGX_MRB_CODE_TYPE_FILE) {
    if ((mrb_file = fopen((char *)code->code.file, "r")) == NULL) {
      return NGX_ERROR;
    }

    code->ctx = mrbc_context_new(mrb);
    mrbc_filename(mrb, code->ctx, (char *)code->code.file);
    p = mrb_parse_file(mrb, mrb_file, code->ctx);
    fclose(mrb_file);
  } else {
    code->ctx = mrbc_context_new(mrb);
    mrbc_filename(mrb, code->ctx, "INLINE CODE");
    p = mrb_parse_string(mrb, (char *)code->code.string, code->ctx);
  }

  if (p == NULL) {
    return NGX_ERROR;
  }

  code->proc = mrb_generate_code(mrb, p);
  mrb_pool_close(p->pool);
  if (code->proc == NULL) {
    return NGX_ERROR;
  }

  if (code->code_type == NGX_MRB_CODE_TYPE_FILE) {
    ngx_conf_log_error(NGX_LOG_NOTICE, cf, 0, "%s NOTICE %s:%d: compile info: code->code.file=(%s)", MODULE_NAME,
                       __func__, __LINE__, code->code.file);
  } else {
    ngx_conf_log_error(NGX_LOG_NOTICE, cf, 0, "%s NOTICE %s:%d: compile info: "
                                              "code->code.string=(%s)",
                       MODULE_NAME, __func__, __LINE__, code->code.string);
  }

  return NGX_OK;
}
Exemple #6
0
static mrb_value
load_file(mrb_state *mrb, struct mrbc_args *args)
{
  mrbc_context *c;
  mrb_value result;
  char *input = args->argv[args->idx];
  FILE *infile;
  mrb_bool need_close = FALSE;

  c = mrbc_context_new(mrb);
  if (args->verbose)
    c->dump_result = TRUE;
  c->no_exec = TRUE;
  if (input[0] == '-' && input[1] == '\0') {
    infile = stdin;
  }
  else {
    need_close = TRUE;
    if ((infile = fopen(input, "r")) == NULL) {
      fprintf(stderr, "%s: cannot open program file. (%s)\n", args->prog, input);
      return mrb_nil_value();
    }
  }
  mrbc_filename(mrb, c, input);
  args->idx++;
  if (args->idx < args->argc) {
    need_close = FALSE;
    mrbc_partial_hook(mrb, c, partial_hook, (void*)args);
  }

  result = mrb_load_file_cxt(mrb, infile, c);
  if (need_close) fclose(infile);
  mrbc_context_free(mrb, c);
  if (mrb_undef_p(result)) {
    return mrb_nil_value();
  }
  return result;
}
Exemple #7
0
static int
partial_hook(struct mrb_parser_state *p)
{
  mrbc_context *c = p->cxt;
  struct mrbc_args *args = (struct mrbc_args *)c->partial_data;
  const char *fn;

  if (p->f) fclose(p->f);
  if (args->idx >= args->argc) {
    p->f = NULL;
    return -1;
  }
  fn = args->argv[args->idx++];
  p->f = fopen(fn, "r");
  if (p->f == NULL) {
    fprintf(stderr, "%s: cannot open program file. (%s)\n", args->prog, fn);
    return -1;
  }
  mrbc_filename(p->mrb, c, fn);
  p->filename = c->filename;
  p->lineno = 1;
  return 0;
}
Exemple #8
0
int
main(int argc, char **argv)
{
  mrb_state *mrb = mrb_open();
  int n = -1;
  int i;
  struct _args args;
  mrb_value ARGV;

  if (mrb == NULL) {
    fprintf(stderr, "Invalid mrb_state, exiting mruby");
    return EXIT_FAILURE;
  }

  n = parse_args(mrb, argc, argv, &args);
  if (n < 0 || (args.cmdline == NULL && args.rfp == NULL)) {
    cleanup(mrb, &args);
    usage(argv[0]);
    return n;
  }

  ARGV = mrb_ary_new_capa(mrb, args.argc);
  for (i = 0; i < args.argc; i++) {
    mrb_ary_push(mrb, ARGV, mrb_str_new(mrb, args.argv[i], strlen(args.argv[i])));
  }
  mrb_define_global_const(mrb, "ARGV", ARGV);

  if (args.mrbfile) {
    n = mrb_load_irep(mrb, args.rfp);
    if (n >= 0) {
      if (!args.check_syntax) {
	mrb_run(mrb, mrb_proc_new(mrb, mrb->irep[n]), mrb_top_self(mrb));
	if (mrb->exc) {
	  p(mrb, mrb_obj_value(mrb->exc));
	}
      }
    }
  }
  else {
    mrbc_context *c = mrbc_context_new(mrb);
    mrb_value v;

    if (args.verbose)
      c->dump_result = 1;
    if (args.check_syntax)
      c->no_exec = 1;

    if (args.rfp) {
      mrbc_filename(mrb, c, args.cmdline ? args.cmdline : "-");
      v = mrb_load_file_cxt(mrb, args.rfp, c);
    }
    else {
      mrbc_filename(mrb, c, "-e");
      v = mrb_load_string_cxt(mrb, args.cmdline, c);
    }
    mrbc_context_free(mrb, c);
    if (mrb->exc) {
      if (!mrb_undef_p(v)) {
	p(mrb, mrb_obj_value(mrb->exc));
      }
      n = -1;
    }
    else if (args.check_syntax) {
      printf("Syntax OK\n");
    }
  }
  cleanup(mrb, &args);

  return n == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
Exemple #9
0
int
main(int argc, char **argv)
{
  char ruby_code[1024] = { 0 };
  char last_code_line[1024] = { 0 };
#ifndef ENABLE_READLINE
  int last_char;
  int char_index;
#else
  char *home = NULL;
#endif
  mrbc_context *cxt;
  struct mrb_parser_state *parser;
  mrb_state *mrb;
  mrb_value result;
  struct _args args;
  int n;
  mrb_bool code_block_open = FALSE;
  mrb_value MIRB_BIN;
  int ai;
  unsigned int stack_keep = 0;

  /* new interpreter instance */
  mrb = mrb_open();
  if (mrb == NULL) {
    fputs("Invalid mrb interpreter, exiting mirb\n", stderr);
    return EXIT_FAILURE;
  }
  mrb_define_global_const(mrb, "ARGV", mrb_ary_new_capa(mrb, 0));

  n = parse_args(mrb, argc, argv, &args);
  if (n == EXIT_FAILURE) {
    cleanup(mrb, &args);
    usage(argv[0]);
    return n;
  }

  print_hint();

  cxt = mrbc_context_new(mrb);
  cxt->capture_errors = 1;
  cxt->lineno = 1;
  mrbc_filename(mrb, cxt, "(mirb)");
  if (args.verbose) cxt->dump_result = 1;

  MIRB_BIN= mrb_str_new(mrb, argv[0], strlen(argv[0]));
  mrb_define_global_const(mrb, "MIRB_BIN", MIRB_BIN);

#ifdef ENABLE_REQUIRE
  mrb_value LOAD_PATH = mrb_gv_get(mrb, mrb_intern(mrb, "$:"));

  if (mrb_str_cmp(mrb, MIRB_BIN, mrb_str_new2(mrb, "mirb")) != 0) {
    int len = strrchr(RSTRING_PTR(MIRB_BIN), '/') - RSTRING_PTR(MIRB_BIN);
    mrb_value extdir = mrb_str_substr(mrb, mrb_str_dup(mrb, MIRB_BIN), 0, len);
    mrb_str_cat2(mrb, extdir, "/../ext");

    if (mrb_obj_eq(mrb, mrb_file_exist(mrb, extdir), mrb_true_value())) {
      mrb_ary_push(mrb, LOAD_PATH, extdir);
    }
  }
#endif /* ENABLE_REQUIRE */


  ai = mrb_gc_arena_save(mrb);

#ifdef ENABLE_READLINE
  MIRB_USING_HISTORY();
  home = getenv("HOME");
#ifdef _WIN32
  if (!home)
    home = getenv("USERPROFILE");
#endif
  if (home) {
    strcpy(history_path, home);
    strcat(history_path, "/");
    strcat(history_path, history_file_name);
    MIRB_READ_HISTORY(history_path);
  }
#endif


  while (TRUE) {
#ifndef ENABLE_READLINE
    print_cmdline(code_block_open);

    char_index = 0;
    while ((last_char = getchar()) != '\n') {
      if (last_char == EOF) break;
      last_code_line[char_index++] = last_char;
    }
    if (last_char == EOF) {
      fputs("\n", stdout);
      break;
    }

    last_code_line[char_index] = '\0';
#else
    char* line = MIRB_READLINE(code_block_open ? "* " : "> ");
    if (line == NULL) {
      printf("\n");
      break;
    }
    strncpy(last_code_line, line, sizeof(last_code_line)-1);
    MIRB_ADD_HISTORY(line);
    free(line);
#endif

    if (code_block_open) {
        strcat(ruby_code, "\n");
        strcat(ruby_code, last_code_line);
    }
    else {
      if ((strcmp(last_code_line, "quit") == 0) || (strcmp(last_code_line, "exit") == 0)) {
        break;
      }
      strcpy(ruby_code, last_code_line);
    }

    /* parse code */
    parser = mrb_parser_new(mrb);
    parser->s = ruby_code;
    parser->send = ruby_code + strlen(ruby_code);
    parser->lineno = cxt->lineno;
    mrb_parser_parse(parser, cxt);
    code_block_open = is_code_block_open(parser);

    if (code_block_open) {
      /* no evaluation of code */
    }
    else {
      if (0 < parser->nerr) {
        /* syntax error */
        printf("line %d: %s\n", parser->error_buffer[0].lineno, parser->error_buffer[0].message);
      }
      else {
        /* generate bytecode */
        struct RProc *proc = mrb_generate_code(mrb, parser);

        if (args.verbose) {
          mrb_codedump_all(mrb, proc);
        }
        /* pass a proc for evaulation */
        /* evaluate the bytecode */
        result = mrb_context_run(mrb,
            proc,
            mrb_top_self(mrb),
            stack_keep);
        stack_keep = proc->body.irep->nlocals;
        /* did an exception occur? */
        if (mrb->exc) {
          p(mrb, mrb_obj_value(mrb->exc), 0);
          mrb->exc = 0;
        }
        else {
          /* no */
          if (!mrb_respond_to(mrb, result, mrb_intern_lit(mrb, "inspect"))){
            result = mrb_any_to_s(mrb,result);
          }
          p(mrb, result, 1);
        }
      }
      ruby_code[0] = '\0';
      last_code_line[0] = '\0';
      mrb_gc_arena_restore(mrb, ai);
    }
    mrb_parser_free(parser);
    cxt->lineno++;
  }
  mrbc_context_free(mrb, cxt);
  mrb_close(mrb);

#ifdef ENABLE_READLINE
  MIRB_WRITE_HISTORY(history_path);
#endif

  return 0;
}
Exemple #10
0
int
main(int argc, char **argv)
{
  mrb_state *mrb = mrb_open();
  int n = -1;
  struct _args args;
  mrb_value v;
  mrdb_state *mrdb;
  mrdb_state *mrdb_backup;
  mrb_debug_context* dbg_backup;
  debug_command *cmd;

 l_restart:

  if (mrb == NULL) {
    fputs("Invalid mrb_state, exiting mruby\n", stderr);
    return EXIT_FAILURE;
  }

  /* parse command parameters */
  n = parse_args(mrb, argc, argv, &args);
  if (n == EXIT_FAILURE || args.rfp == NULL) {
    cleanup(mrb, &args);
    usage(argv[0]);
    return n;
  }

  /* initialize debugger information */
  mrdb = mrdb_state_get(mrb);
  mrb_assert(mrdb && mrdb->dbg);
  mrdb->srcpath = args.srcpath;

  if(mrdb->dbg->xm == DBG_QUIT) {
    mrdb->dbg->xphase = DBG_PHASE_RESTART;
  }
  else {
    mrdb->dbg->xphase = DBG_PHASE_BEFORE_RUN;
  }
  mrdb->dbg->xm = DBG_INIT;
  mrdb->dbg->ccnt = 1;
  
  /* setup hook functions */
  mrb->code_fetch_hook = mrb_code_fetch_hook;
  mrdb->dbg->break_hook = mrb_debug_break_hook;

  if (args.mrbfile) { /* .mrb */
    v = mrb_load_irep_file(mrb, args.rfp);
  }
  else {              /* .rb */
    mrbc_context *cc = mrbc_context_new(mrb);
    mrbc_filename(mrb, cc, args.fname);
    v = mrb_load_file_cxt(mrb, args.rfp, cc);
    mrbc_context_free(mrb, cc);
  }
  if (mrdb->dbg->xm == DBG_QUIT && !mrb_undef_p(v) && mrb->exc) {
    const char *classname = mrb_obj_classname(mrb, mrb_obj_value(mrb->exc));
    if (!strcmp(classname, "DebuggerExit")) {
      cleanup(mrb, &args);
      return 0;
    }
    if (!strcmp(classname, "DebuggerRestart")) {
      mrdb_backup = mrdb_state_get(mrb);
      dbg_backup = mrb_debug_context_get(mrb);

      mrdb_state_set(NULL);
      mrb_debug_context_set(NULL);

      cleanup(mrb, &args);
      mrb = mrb_open();

      mrdb_state_set(mrdb_backup);
      mrb_debug_context_set(dbg_backup);

      goto l_restart;
    }
  }
  puts("mruby application exited.");
  mrdb->dbg->xphase = DBG_PHASE_AFTER_RUN;
  if (!mrb_undef_p(v)) {
    if (mrb->exc) {
      mrb_print_error(mrb);
    }
    else {
      printf(" => ");
      mrb_p(mrb, v);
    }
  }
  
  mrdb->dbg->prvfile = "-";
  mrdb->dbg->prvline = 0;
  
  while (1) {
    cmd = get_and_parse_command(mrb, mrdb);
    mrb_assert(cmd);
    
    if (cmd->id == DBGCMD_QUIT) {
      break;
    }
    
    if( cmd->func(mrb, mrdb) == DBGST_RESTART ) goto l_restart;
  }
  
  cleanup(mrb, &args);

  return 0;
}
Exemple #11
0
int
main(int argc, char **argv)
{
  char ruby_code[1024] = { 0 };
  char last_code_line[1024] = { 0 };
#ifndef ENABLE_READLINE
  int last_char;
  int char_index;
#else
  char *home = NULL;
#endif
  mrbc_context *cxt;
  struct mrb_parser_state *parser;
  mrb_state *mrb;
  mrb_value result;
  struct _args args;
  int n;
  mrb_bool code_block_open = FALSE;
  int ai;
  mrb_bool first_command = TRUE;
  unsigned int nregs;

  /* new interpreter instance */
  mrb = mrb_open();
  if (mrb == NULL) {
    fputs("Invalid mrb interpreter, exiting mirb\n", stderr);
    return EXIT_FAILURE;
  }
  mrb_define_global_const(mrb, "ARGV", mrb_ary_new_capa(mrb, 0));

  n = parse_args(mrb, argc, argv, &args);
  if (n == EXIT_FAILURE) {
    cleanup(mrb, &args);
    usage(argv[0]);
    return n;
  }

  print_hint();

  cxt = mrbc_context_new(mrb);
  cxt->capture_errors = 1;
  cxt->lineno = 1;
  mrbc_filename(mrb, cxt, "(mirb)");
  if (args.verbose) cxt->dump_result = 1;

  ai = mrb_gc_arena_save(mrb);

#ifdef ENABLE_READLINE
  using_history();
  home = getenv("HOME");
#ifdef _WIN32
  if (!home)
    home = getenv("USERPROFILE");
#endif
  if (home) {
    strcpy(history_path, home);
    strcat(history_path, "/");
    strcat(history_path, history_file_name);
    read_history(history_path);
  }
#endif


  while (TRUE) {
#ifndef ENABLE_READLINE
    print_cmdline(code_block_open);

    char_index = 0;
    while ((last_char = getchar()) != '\n') {
      if (last_char == EOF) break;
      last_code_line[char_index++] = last_char;
    }
    if (last_char == EOF) {
      fputs("\n", stdout);
      break;
    }

    last_code_line[char_index] = '\0';
#else
    char* line = readline(code_block_open ? "* " : "> ");
    if (line == NULL) {
      printf("\n");
      break;
    }
    strncpy(last_code_line, line, sizeof(last_code_line)-1);
    add_history(line);
    free(line);
#endif

    if ((strcmp(last_code_line, "quit") == 0) || (strcmp(last_code_line, "exit") == 0)) {
      if (!code_block_open) {
        break;
      }
      else{
        /* count the quit/exit commands as strings if in a quote block */
        strcat(ruby_code, "\n");
        strcat(ruby_code, last_code_line);
      }
    }
    else {
      if (code_block_open) {
        strcat(ruby_code, "\n");
        strcat(ruby_code, last_code_line);
      }
      else {
        strcpy(ruby_code, last_code_line);
      }
    }

    /* parse code */
    parser = mrb_parser_new(mrb);
    parser->s = ruby_code;
    parser->send = ruby_code + strlen(ruby_code);
    parser->lineno = cxt->lineno;
    mrb_parser_parse(parser, cxt);
    code_block_open = is_code_block_open(parser);

    if (code_block_open) {
      /* no evaluation of code */
    }
    else {
      if (0 < parser->nerr) {
        /* syntax error */
        printf("line %d: %s\n", parser->error_buffer[0].lineno, parser->error_buffer[0].message);
      }
      else {
        /* generate bytecode */
        struct RProc *proc = mrb_generate_code(mrb, parser);

        if (args.verbose) {
          mrb_codedump_all(mrb, proc);
        }
        /* pass a proc for evaulation */
        nregs = first_command ? 0: proc->body.irep->nregs;
        /* evaluate the bytecode */
        result = mrb_context_run(mrb,
            proc,
            mrb_top_self(mrb),
            nregs);
        /* did an exception occur? */
        if (mrb->exc) {
          p(mrb, mrb_obj_value(mrb->exc), 0);
          mrb->exc = 0;
        }
        else {
          /* no */
          if (!mrb_respond_to(mrb, result, mrb_intern_lit(mrb, "inspect"))){
            result = mrb_any_to_s(mrb,result);
          }
          p(mrb, result, 1);
        }
      }
      ruby_code[0] = '\0';
      last_code_line[0] = '\0';
      mrb_gc_arena_restore(mrb, ai);
    }
    mrb_parser_free(parser);
    cxt->lineno++;
    first_command = FALSE;
  }
  mrbc_context_free(mrb, cxt);
  mrb_close(mrb);

#ifdef ENABLE_READLINE
  write_history(history_path);
#endif

  return 0;
}
Exemple #12
0
int
main(int argc, char **argv)
{
  mrb_state *mrb = mrb_open();
  int n = -1;
  int i;
  struct _args args;
  mrb_value ARGV;
  mrbc_context *c;
  mrb_value v;

  if (mrb == NULL) {
    fputs("Invalid mrb_state, exiting mruby\n", stderr);
    return EXIT_FAILURE;
  }

  n = parse_args(mrb, argc, argv, &args);
  if (n == EXIT_FAILURE || (args.cmdline == NULL && args.rfp == NULL)) {
    cleanup(mrb, &args);
    usage(argv[0]);
    return n;
  }

  ARGV = mrb_ary_new_capa(mrb, args.argc);
  for (i = 0; i < args.argc; i++) {
    mrb_ary_push(mrb, ARGV, mrb_str_new(mrb, args.argv[i], strlen(args.argv[i])));
  }
  mrb_define_global_const(mrb, "ARGV", ARGV);

  c = mrbc_context_new(mrb);
  if (args.verbose)
    c->dump_result = TRUE;
  if (args.check_syntax)
    c->no_exec = FALSE;
  if (args.mrbfile) {
    v = mrb_load_irep_file_cxt(mrb, args.rfp, c);
  }
  else {
    mrb_sym zero_sym = mrb_intern_lit(mrb, "$0");

    if (args.rfp) {
      char *cmdline;
      cmdline = args.cmdline ? args.cmdline : "-";
      mrbc_filename(mrb, c, cmdline);
      mrb_gv_set(mrb, zero_sym, mrb_str_new_cstr(mrb, cmdline));
      v = mrb_load_file_cxt(mrb, args.rfp, c);
    }
    else {
      mrbc_filename(mrb, c, "-e");
      mrb_gv_set(mrb, zero_sym, mrb_str_new_lit(mrb, "-e"));
      v = mrb_load_string_cxt(mrb, args.cmdline, c);
    }
  }
  mrbc_context_free(mrb, c);
  if (mrb->exc) {
    if (!mrb_undef_p(v)) {
      mrb_print_error(mrb);
    }
    n = -1;
  }
  else if (args.check_syntax) {
    printf("Syntax OK\n");
  }
  cleanup(mrb, &args);

  return n == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
Exemple #13
0
static struct RProc*
create_proc_from_string(mrb_state *mrb, char *s, mrb_int len, mrb_value binding, const char *file, mrb_int line)
{
  mrbc_context *cxt;
  struct mrb_parser_state *p;
  struct RProc *proc;
  struct REnv *e;
  mrb_callinfo *ci = &mrb->c->ci[-1]; /* callinfo of eval caller */
  struct RClass *target_class = NULL;
  int bidx;

  if (!mrb_nil_p(binding)) {
    mrb_raise(mrb, E_ARGUMENT_ERROR, "Binding of eval must be nil.");
  }

  cxt = mrbc_context_new(mrb);
  cxt->lineno = (short)line;

  mrbc_filename(mrb, cxt, file ? file : "(eval)");
  cxt->capture_errors = TRUE;
  cxt->no_optimize = TRUE;

  p = mrb_parse_nstring(mrb, s, len, cxt);

  /* only occur when memory ran out */
  if (!p) {
    mrb_raise(mrb, E_RUNTIME_ERROR, "Failed to create parser state.");
  }

  if (0 < p->nerr) {
    /* parse error */
    mrb_value str;

    if (file) {
      str = mrb_format(mrb, " file %S line %S: %S",
                       mrb_str_new_cstr(mrb, file),
                       mrb_fixnum_value(p->error_buffer[0].lineno),
                       mrb_str_new_cstr(mrb, p->error_buffer[0].message));
    }
    else {
      str = mrb_format(mrb, " line %S: %S",
                       mrb_fixnum_value(p->error_buffer[0].lineno),
                       mrb_str_new_cstr(mrb, p->error_buffer[0].message));
    }
    mrb_parser_free(p);
    mrbc_context_free(mrb, cxt);
    mrb_exc_raise(mrb, mrb_exc_new_str(mrb, E_SYNTAX_ERROR, str));
  }

  proc = mrb_generate_code(mrb, p);
  if (proc == NULL) {
    /* codegen error */
    mrb_parser_free(p);
    mrbc_context_free(mrb, cxt);
    mrb_raise(mrb, E_SCRIPT_ERROR, "codegen error");
  }
  target_class = MRB_PROC_TARGET_CLASS(ci->proc);
  if (!MRB_PROC_CFUNC_P(ci->proc)) {
    if (ci->env) {
      e = ci->env;
    }
    else {
      e = (struct REnv*)mrb_obj_alloc(mrb, MRB_TT_ENV,
                                      (struct RClass*)target_class);
      e->mid = ci->mid;
      e->stack = ci[1].stackent;
      e->cxt = mrb->c;
      MRB_ENV_SET_STACK_LEN(e, ci->proc->body.irep->nlocals);
      bidx = ci->argc;
      if (ci->argc < 0) bidx = 2;
      else bidx += 1;
      MRB_ENV_SET_BIDX(e, bidx);
      ci->env = e;
    }
    proc->e.env = e;
    proc->flags |= MRB_PROC_ENVSET;
    mrb_field_write_barrier(mrb, (struct RBasic*)proc, (struct RBasic*)e);
  }
  proc->upper = ci->proc;
  mrb->c->ci->target_class = target_class;
  patch_irep(mrb, proc->body.irep, 0, proc->body.irep);
  /* mrb_codedump_all(mrb, proc); */

  mrb_parser_free(p);
  mrbc_context_free(mrb, cxt);

  return proc;
}
Exemple #14
0
int
main(int argc, char **argv)
{
  mrb_state *mrb = mrb_open();
  int n = -1;
  int i;
  struct _args args;
  mrb_value ARGV;
  mrbc_context *c;
  mrb_value v;
  mrb_sym zero_sym;
  struct mrb_jmpbuf c_jmp;
  int ai;

  if (mrb == NULL) {
    fputs("Invalid mrb_state, exiting mruby\n", stderr);
    return EXIT_FAILURE;
  }

  n = parse_args(mrb, argc, argv, &args);
  if (n == EXIT_FAILURE || (args.cmdline == NULL && args.rfp == NULL)) {
    cleanup(mrb, &args);
    usage(argv[0]);
    return n;
  }

  ai = mrb_gc_arena_save(mrb);
  MRB_TRY(&c_jmp) {
    mrb->jmp = &c_jmp;
    ARGV = mrb_ary_new_capa(mrb, args.argc);
    for (i = 0; i < args.argc; i++) {
      char* utf8 = mrb_utf8_from_locale(args.argv[i], -1);
      if (utf8) {
        mrb_ary_push(mrb, ARGV, mrb_str_new_cstr(mrb, utf8));
        mrb_utf8_free(utf8);
      }
    }
    mrb_define_global_const(mrb, "ARGV", ARGV);

    c = mrbc_context_new(mrb);
    if (args.verbose)
      c->dump_result = TRUE;
    if (args.check_syntax)
      c->no_exec = TRUE;

    /* Set $0 */
    zero_sym = mrb_intern_lit(mrb, "$0");
    if (args.rfp) {
      const char *cmdline;
      cmdline = args.cmdline ? args.cmdline : "-";
      mrbc_filename(mrb, c, cmdline);
      mrb_gv_set(mrb, zero_sym, mrb_str_new_cstr(mrb, cmdline));
    }
    else {
      mrbc_filename(mrb, c, "-e");
      mrb_gv_set(mrb, zero_sym, mrb_str_new_lit(mrb, "-e"));
    }

    /* Load program */
    if (args.mrbfile) {
      v = mrb_load_irep_file_cxt(mrb, args.rfp, c);
    }
    else if (args.rfp) {
      v = mrb_load_file_cxt(mrb, args.rfp, c);
    }
    else {
      char* utf8 = mrb_utf8_from_locale(args.cmdline, -1);
      if (!utf8) abort();
      v = mrb_load_string_cxt(mrb, utf8, c);
      mrb_utf8_free(utf8);
    }

    mrb_gc_arena_restore(mrb, ai);
    mrbc_context_free(mrb, c);
    if (mrb->exc) {
      if (!mrb_undef_p(v)) {
        mrb_print_error(mrb);
      }
      n = -1;
    }
    else if (args.check_syntax) {
      printf("Syntax OK\n");
    }
  }
  MRB_CATCH(&c_jmp) {           /* error */
  }
  MRB_END_EXC(&c_jmp);
  cleanup(mrb, &args);

  return n == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}