Ruby 3.5.0dev (2025-02-20 revision 34098b669c0cbc024cd08e686891f1dfe0a10aaf)
error.h
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1#ifndef RBIMPL_INTERN_ERROR_H /*-*-C++-*-vi:se ft=cpp:*/
2#define RBIMPL_INTERN_ERROR_H
26#include "ruby/internal/value.h"
29
35#define UNLIMITED_ARGUMENTS (-1)
36
37#define rb_exc_new2 rb_exc_new_cstr
38#define rb_exc_new3 rb_exc_new_str
41#define rb_check_arity rb_check_arity
45
46/* error.c */
47
48
66VALUE rb_exc_new(VALUE etype, const char *ptr, long len);
67
78VALUE rb_exc_new_cstr(VALUE etype, const char *str);
79
90
93RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 1, 2)
105void rb_loaderror(const char *fmt, ...);
106
109RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 3)
120void rb_loaderror_with_path(VALUE path, const char *fmt, ...);
121
124RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 3)
134void rb_name_error(ID name, const char *fmt, ...);
135
138RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 3)
147void rb_name_error_str(VALUE name, const char *fmt, ...);
148
151RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 3)
166void rb_frozen_error_raise(VALUE recv, const char *fmt, ...);
167
179void rb_invalid_str(const char *str, const char *type);
180
191void rb_error_frozen(const char *what);
192
203
211void rb_check_frozen(VALUE obj);
212
223void rb_check_copyable(VALUE obj, VALUE orig);
224
238void rb_error_arity(int argc, int min, int max);
239
240void rb_str_modify(VALUE str);
241
243
249#define rb_check_frozen_internal rb_check_frozen
250
252static inline void
254{
255 if (RB_UNLIKELY(RB_OBJ_FROZEN(obj))) {
257 }
258
259 /* ref: internal CHILLED_STRING_P()
260 This is an implementation detail subject to change. */
261 if (RB_UNLIKELY(RB_TYPE_P(obj, T_STRING) && FL_TEST_RAW(obj, RUBY_FL_USER2 | RUBY_FL_USER3))) { // STR_CHILLED
262 rb_str_modify(obj);
263 }
264}
265
266/* rb_check_frozen() is available as a symbol, but have
267 * the inline version take priority for native consumers. */
268#define rb_check_frozen rb_check_frozen_inline
269
283static inline int
284rb_check_arity(int argc, int min, int max)
285{
286 if ((argc < min) || (max != UNLIMITED_ARGUMENTS && argc > max))
287 rb_error_arity(argc, min, max);
288 return argc;
289}
290
291#endif /* RBIMPL_INTERN_ERROR_H */
Defines ASSUME / RB_LIKELY / UNREACHABLE.
Tweaking visibility of C variables/functions.
#define RBIMPL_SYMBOL_EXPORT_END()
Counterpart of RBIMPL_SYMBOL_EXPORT_BEGIN.
Definition dllexport.h:74
#define RBIMPL_SYMBOL_EXPORT_BEGIN()
Shortcut macro equivalent to RUBY_SYMBOL_EXPORT_BEGIN extern "C" {.
Definition dllexport.h:65
Defines enum ruby_fl_type.
static bool RB_OBJ_FROZEN(VALUE obj)
Checks if an object is frozen.
Definition fl_type.h:898
@ RUBY_FL_USER3
User-defined flag.
Definition fl_type.h:331
@ RUBY_FL_USER2
User-defined flag.
Definition fl_type.h:330
Defines RBIMPL_ATTR_FORMAT.
#define RBIMPL_ATTR_FORMAT(x, y, z)
Wraps (or simulates) __attribute__((format))
Definition format.h:29
#define T_STRING
Old name of RUBY_T_STRING.
Definition value_type.h:78
#define FL_TEST_RAW
Old name of RB_FL_TEST_RAW.
Definition fl_type.h:132
void rb_name_error(ID name, const char *fmt,...)
Raises an instance of rb_eNameError.
Definition error.c:2344
void rb_check_copyable(VALUE obj, VALUE orig)
Ensures that the passed object can be initialize_copy relationship.
Definition error.c:4225
void rb_error_frozen(const char *what)
Identical to rb_frozen_error_raise(), except its raising exception has a message like "can't modify f...
Definition error.c:4111
void rb_name_error_str(VALUE name, const char *fmt,...)
Identical to rb_name_error(), except it takes a VALUE instead of ID.
Definition error.c:2359
void rb_frozen_error_raise(VALUE recv, const char *fmt,...)
Raises an instance of rb_eFrozenError.
Definition error.c:4117
void rb_invalid_str(const char *str, const char *type)
Honestly I don't understand the name, but it raises an instance of rb_eArgError.
Definition error.c:2783
VALUE rb_exc_new(VALUE etype, const char *ptr, long len)
Creates an instance of the passed exception class.
Definition error.c:1468
void rb_error_frozen_object(VALUE what)
Identical to rb_error_frozen(), except it takes arbitrary Ruby object instead of C's string.
Definition error.c:4157
VALUE rb_exc_new_str(VALUE etype, VALUE str)
Identical to rb_exc_new_cstr(), except it takes a Ruby's string instead of C's.
Definition error.c:1481
void rb_loaderror(const char *fmt,...)
Raises an instance of rb_eLoadError.
Definition error.c:3812
void rb_loaderror_with_path(VALUE path, const char *fmt,...)
Identical to rb_loaderror(), except it additionally takes which file is unable to load.
Definition error.c:3824
#define UNLIMITED_ARGUMENTS
This macro is used in conjunction with rb_check_arity().
Definition error.h:35
static void rb_check_frozen_inline(VALUE obj)
Just another name of rb_check_frozen.
Definition error.h:253
static int rb_check_arity(int argc, int min, int max)
Ensures that the passed integer is in the passed range.
Definition error.h:284
#define rb_exc_new_cstr(exc, str)
Identical to rb_exc_new(), except it assumes the passed pointer is a pointer to a C string.
Definition string.h:1670
int len
Length of the buffer.
Definition io.h:8
#define RBIMPL_ATTR_NONNULL(list)
Wraps (or simulates) __attribute__((nonnull))
Definition nonnull.h:30
Defines RBIMPL_ATTR_NORETURN.
#define RBIMPL_ATTR_NORETURN()
Wraps (or simulates) [[noreturn]]
Definition noreturn.h:38
Defines VALUE and ID.
uintptr_t ID
Type that represents a Ruby identifier such as a variable name.
Definition value.h:52
uintptr_t VALUE
Type that represents a Ruby object.
Definition value.h:40
static bool RB_TYPE_P(VALUE obj, enum ruby_value_type t)
Queries if the given object is of given type.
Definition value_type.h:376