Ruby 1.9.2p136(2010-12-25revision30365)

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# load.c File Reference

`#include "ruby/ruby.h"`
`#include "ruby/util.h"`
`#include "dln.h"`
`#include "eval_intern.h"`
Include dependency graph for load.c:

Go to the source code of this file.

## Data Structures
struct | loaded_feature_searching
## Defines
#define | IS_RBEXT(e) (strcmp(e, ".rb") == 0)
#define | IS_SOEXT(e) (strcmp(e, ".so") == 0 || strcmp(e, ".o") == 0)
#define | IS_DLEXT(e) (strcmp(e, DLEXT) == 0)
#define | rb_intern(str) rb_intern2(str, strlen(str))
## Functions
VALUE | rb_get_load_path (void)
VALUE | rb_get_expanded_load_path (void)
static VALUE | load_path_getter (ID id, rb_vm_t *vm)
static VALUE | get_loaded_features (void)
static st_table * | get_loading_table (void)
static VALUE | loaded_feature_path (const char *name, long vlen, const char *feature, long len, int type, VALUE load_path)
static int | loaded_feature_path_i (st_data_t v, st_data_t b, st_data_t f)
static int | rb_feature_p (const char *feature, const char *ext, int rb, int expanded, const char **fn)
int | rb_provided (const char *feature)
int | rb_feature_provided (const char *feature, const char **loading)
static void | rb_provide_feature (VALUE feature)
void | rb_provide (const char *feature)
| NORETURN (static void load_failed(VALUE))
static void | rb_load_internal (VALUE fname, int wrap)
void | rb_load (VALUE fname, int wrap)
void | rb_load_protect (VALUE fname, int wrap, int *state)
static VALUE | rb_f_load (int argc, VALUE *argv)
static char * | load_lock (const char *ftptr)
static void | load_unlock (const char *ftptr, int done)
VALUE | rb_f_require (VALUE obj, VALUE fname)
VALUE | rb_f_require_relative (VALUE obj, VALUE fname)
static int | search_required (VALUE fname, volatile VALUE *path, int safe_level)
static void | load_failed (VALUE fname)
static VALUE | load_ext (VALUE path)
VALUE | rb_require_safe (VALUE fname, int safe)
VALUE | rb_require (const char *fname)
static VALUE | init_ext_call (VALUE arg)
void | ruby_init_ext (const char *name, void(*init)(void))
static VALUE | rb_mod_autoload (VALUE mod, VALUE sym, VALUE file)
static VALUE | rb_mod_autoload_p (VALUE mod, VALUE sym)
static VALUE | rb_f_autoload (VALUE obj, VALUE sym, VALUE file)
static VALUE | rb_f_autoload_p (VALUE obj, VALUE sym)
void | Init_load ()
## Variables
VALUE | ruby_dln_librefs
static const char *const | loadable_ext []

## Define Documentation

#define IS_DLEXT | ( |  | e | ) | (strcmp(e, DLEXT) == 0)

Definition at line 17 of file load.c.

Referenced by loaded_feature_path(), rb_feature_p(), rb_feature_provided(), and search_required().

#define IS_RBEXT | ( |  | e | ) | (strcmp(e, ".rb") == 0)

Definition at line 12 of file load.c.

Referenced by loaded_feature_path(), rb_feature_p(), rb_feature_provided(), and search_required().

#define IS_SOEXT | ( |  | e | ) | (strcmp(e, ".so") == 0 || strcmp(e, ".o") == 0)

Definition at line 13 of file load.c.

Referenced by rb_feature_p(), rb_feature_provided(), and search_required().

#define rb_intern | ( |  | str | ) | rb_intern2(str, strlen(str))

## Function Documentation

static VALUE get_loaded_features | ( | void |  | ) | `[static]`

Definition at line 68 of file load.c.

References GET_VM.

Referenced by Init_load(), rb_feature_p(), and rb_provide_feature().

static st_table* get_loading_table | ( | void |  | ) | `[static]`

Definition at line 74 of file load.c.

References GET_VM.

Referenced by load_lock(), load_unlock(), and rb_feature_p().

static VALUE init_ext_call | ( | VALUE | arg | ) | `[static]`

Definition at line 635 of file load.c.

References NOEX_PUBLIC, Qnil, and SCOPE_SET.

Referenced by ruby_init_ext().

void Init_load | ( |  | ) |

Definition at line 740 of file load.c.

References get_loaded_features(), GET_VM, load_path_getter(), rb_alias_variable(), rb_ary_new(), rb_cModule, rb_define_global_function(), rb_define_hooked_variable(), rb_define_method(), rb_define_virtual_variable(), rb_f_autoload(), rb_f_autoload_p(), rb_f_load(), rb_f_require(), rb_f_require_relative(), rb_gc_register_mark_object(), rb_gvar_readonly_setter(), rb_intern, rb_intern2(), rb_mod_autoload(), rb_mod_autoload_p(), and ruby_dln_librefs.

static VALUE load_ext | ( | VALUE | path | ) | `[static]`

Definition at line 559 of file load.c.

References dln_load(), NOEX_PUBLIC, RSTRING_PTR, and SCOPE_SET.

Referenced by rb_require_safe().

static void load_failed | ( | VALUE | fname | ) | `[static]`

Definition at line 551 of file load.c.

References rb_eLoadError, rb_exc_new3(), rb_exc_raise(), rb_str_append(), and rb_str_buf_new_cstr().

Referenced by rb_f_load(), rb_load(), and rb_require_safe().

static char* load_lock | ( | const char * | ftptr | ) | `[static]`

Definition at line 380 of file load.c.

References get_loading_table(), GET_VM, rb_backtrace(), rb_barrier_new(), rb_barrier_wait(), rb_warning(), RTEST, ruby_strdup(), ruby_verbose, st_init_strtable, st_insert, and st_lookup.

Referenced by rb_require_safe(), and ruby_init_ext().

static VALUE load_path_getter | ( | ID | id,
|  | rb_vm_t * | vm
| ) |  | `[static]`

Definition at line 62 of file load.c.

References rb_vm_struct::load_path.

Referenced by Init_load().

static void load_unlock | ( | const char * | ftptr,
|  | int | done
| ) |  | `[static]`

Definition at line 404 of file load.c.

References get_loading_table(), rb_barrier_destroy(), rb_barrier_release(), st_delete, and xfree().

Referenced by rb_require_safe(), and ruby_init_ext().

static VALUE loaded_feature_path | ( | const char * | name,
|  | long | vlen,
|  | const char * | feature,
|  | long | len,
|  | int | type,
|  | VALUE | load_path
| ) |  | `[static]`

Definition at line 80 of file load.c.

References IS_DLEXT, IS_RBEXT, RARRAY_LEN, RARRAY_PTR, RSTRING_LEN, and StringValuePtr.

Referenced by loaded_feature_path_i(), and rb_feature_p().

static int loaded_feature_path_i | ( | st_data_t | v,
|  | st_data_t | b,
|  | st_data_t | f
| ) |  | `[static]`

Definition at line 117 of file load.c.

References loaded_feature_searching::len, loaded_feature_searching::load_path, loaded_feature_path(), loaded_feature_searching::name, loaded_feature_searching::result, ST_CONTINUE, ST_STOP, and loaded_feature_searching::type.

Referenced by rb_feature_p().

NORETURN | ( | static void | load_failedVALUE | ) |

static VALUE rb_f_autoload | ( | VALUE | obj,
|  | VALUE | sym,
|  | VALUE | file
| ) |  | `[static]`

Definition at line 708 of file load.c.

References NIL_P, rb_eTypeError, rb_mod_autoload(), rb_raise(), and rb_vm_cbase().

Referenced by Init_load().

static VALUE rb_f_autoload_p | ( | VALUE | obj,
|  | VALUE | sym
| ) |  | `[static]`

Definition at line 729 of file load.c.

References NIL_P, Qnil, rb_mod_autoload_p(), and rb_vm_cbase().

Referenced by Init_load().

static VALUE rb_f_load | ( | int | argc,
|  | VALUE * | argv
| ) |  | `[static]`

Definition at line 364 of file load.c.

References FilePathValue, load_failed(), Qtrue, rb_file_load_ok(), rb_find_file(), rb_load_internal(), rb_scan_args(), RSTRING_PTR, and RTEST.

Referenced by Init_load().

VALUE rb_f_require | ( | VALUE | obj,
|  | VALUE | fname
| ) |  |

Definition at line 446 of file load.c.

References rb_require_safe(), and rb_safe_level.

Referenced by Init_load().

VALUE rb_f_require_relative | ( | VALUE | obj,
|  | VALUE | fname
| ) |  |

Definition at line 452 of file load.c.

References NIL_P, rb_current_realfilepath(), rb_eLoadError, rb_file_absolute_path(), rb_file_dirname(), rb_raise(), rb_require_safe(), and rb_safe_level.

Referenced by Init_load().

static int rb_feature_p | ( | const char * | feature,
|  | const char * | ext,
|  | int | rb,
|  | int | expanded,
|  | const char ** | fn
| ) |  | `[static]`

Definition at line 129 of file load.c.

References buf, DLEXT_MAXLEN, get_loaded_features(), get_loading_table(), IS_DLEXT, IS_RBEXT, IS_SOEXT, loaded_feature_searching::len, len, loaded_feature_searching::load_path, loadable_ext, loaded_feature_path(), loaded_feature_path_i(), MEMCPY, loaded_feature_searching::name, RARRAY_LEN, RARRAY_PTR, rb_get_expanded_load_path(), rb_get_load_path(), rb_str_resize(), rb_str_tmp_new(), loaded_feature_searching::result, RSTRING_LEN, RSTRING_PTR, st_foreach, st_get_key(), StringValuePtr, strlcpy(), loaded_feature_searching::type, and type.

Referenced by rb_feature_provided(), and search_required().

int rb_feature_provided | ( | const char * | feature,
|  | const char ** | loading
| ) |  |

Definition at line 225 of file load.c.

References FALSE, IS_DLEXT, IS_RBEXT, IS_SOEXT, Qnil, rb_feature_p(), rb_file_expand_path(), rb_str_new2(), RSTRING_PTR, strchr(), strrchr(), and TRUE.

Referenced by autoload_provided(), and rb_provided().

VALUE rb_get_expanded_load_path | ( | void |  | ) |

Definition at line 37 of file load.c.

References NIL_P, Qnil, RARRAY_LEN, RARRAY_PTR, rb_ary_new2(), rb_ary_push(), rb_check_string_type(), rb_file_expand_path(), rb_get_load_path(), rb_is_absolute_path(), rb_obj_freeze(), rb_str_freeze(), and RSTRING_PTR.

Referenced by rb_feature_p().

VALUE rb_get_load_path | ( | void |  | ) |

Definition at line 30 of file load.c.

References GET_VM.

Referenced by rb_feature_p(), rb_find_file_ext_safe(), rb_find_file_safe(), and rb_get_expanded_load_path().

void rb_load | ( | VALUE | fname,
|  | int | wrap
| ) |  |

Definition at line 328 of file load.c.

References FilePathValue, load_failed(), rb_find_file(), and rb_load_internal().

Referenced by rb_load_protect().

static void rb_load_internal | ( | VALUE | fname,
|  | int | wrap
| ) |  | `[static]`

Definition at line 265 of file load.c.

References rb_thread_struct::errinfo, EXEC_TAG, FALSE, GET_THREAD, rb_thread_struct::mild_compile_error, NIL_P, POP_TAG, PUSH_TAG, Qfalse, Qnil, Qundef, rb_exc_raise(), rb_extend_object(), RB_GC_GUARD, rb_iseq_eval(), rb_iseq_new_top(), rb_load_file(), rb_module_new(), rb_obj_clone(), rb_secure(), rb_str_new2(), rb_vm_jump_tag_but_local_jump(), rb_vm_top_self(), RSTRING_PTR, rb_thread_struct::top_self, rb_thread_struct::top_wrapper, and TRUE.

Referenced by rb_f_load(), rb_load(), and rb_require_safe().

void rb_load_protect | ( | VALUE | fname,
|  | int | wrap,
|  | int * | state
| ) |  |

Definition at line 336 of file load.c.

References EXEC_TAG, POP_TAG, PUSH_TAG, and rb_load().

static VALUE rb_mod_autoload | ( | VALUE | mod,
|  | VALUE | sym,
|  | VALUE | file
| ) |  | `[static]`

Definition at line 668 of file load.c.

References FilePathValue, Qnil, rb_autoload(), rb_to_id(), and RSTRING_PTR.

Referenced by Init_load(), and rb_f_autoload().

static VALUE rb_mod_autoload_p | ( | VALUE | mod,
|  | VALUE | sym
| ) |  | `[static]`

Definition at line 691 of file load.c.

References rb_autoload_p(), and rb_to_id().

Referenced by Init_load(), and rb_f_autoload_p().

void rb_provide | ( | const char * | feature | ) |

Definition at line 257 of file load.c.

References rb_provide_feature(), and rb_usascii_str_new2().

Referenced by Init_Enumerator(), and ruby_init_ext().

static void rb_provide_feature | ( | VALUE | feature | ) | `[static]`

Definition at line 251 of file load.c.

References get_loaded_features(), and rb_ary_push().

Referenced by rb_provide(), and rb_require_safe().

int rb_provided | ( | const char * | feature | ) |

Definition at line 219 of file load.c.

References rb_feature_provided().

VALUE rb_require | ( | const char * | fname | ) |

Definition at line 627 of file load.c.

References OBJ_FREEZE, rb_require_safe(), rb_safe_level, and rb_str_new2().

Referenced by GetVpValue(), Init_bubblebabble(), Init_generator(), Init_md5(), Init_ossl_digest(), Init_parser(), Init_rmd160(), Init_sha1(), Init_sha2(), Init_tkutil(), load_transcoder_entry(), mktime_r(), and yaml_org_handler().

VALUE rb_require_safe | ( | VALUE | fname,
|  | int | safe
| ) |  |

Definition at line 566 of file load.c.

References rb_thread_struct::errinfo, EXEC_TAG, FilePathValue, GET_THREAD, JUMP_TAG, load_ext(), load_failed(), load_lock(), load_unlock(), LONG2NUM, NIL_P, POP_TAG, PUSH_TAG, Qfalse, Qnil, Qtrue, rb_ary_push(), rb_load_internal(), rb_provide_feature(), rb_safe_level, rb_set_safe_level_force(), rb_vm_call_cfunc(), rb_vm_top_self(), result, RSTRING_PTR, ruby_dln_librefs, and search_required().

Referenced by rb_autoload_load(), rb_f_require(), rb_f_require_relative(), rb_require(), and require_enc().

void ruby_init_ext | ( | const char * | name,
|  | void(*)(void) | init
| ) |  |

Definition at line 643 of file load.c.

References init_ext_call(), load_lock(), load_unlock(), Qnil, rb_provide(), rb_str_new2(), rb_vm_call_cfunc(), and rb_vm_top_self().

Referenced by init_golf().

static int search_required | ( | VALUE | fname,
|  | volatile VALUE * | path,
|  | int | safe_level
| ) |  | `[static]`

Definition at line 464 of file load.c.

References FALSE, IS_DLEXT, IS_RBEXT, IS_SOEXT, loadable_ext, OBJ_FREEZE, rb_feature_p(), rb_find_file_ext_safe(), rb_find_file_safe(), rb_str_cat2(), rb_str_new(), rb_str_new2(), RSTRING_PTR, strchr(), strrchr(), TRUE, and type.

Referenced by rb_require_safe().

## Variable Documentation

const char* const loadable_ext[]`[static]`

Initial value:

     {
        ".rb", DLEXT,

        0
    }

Definition at line 21 of file load.c.

Referenced by rb_feature_p(), and search_required().

VALUE ruby_dln_librefs

Definition at line 10 of file load.c.

Referenced by Init_load(), and rb_require_safe().