diff options
Diffstat (limited to 'ruby_1_8_6/error.c')
| -rw-r--r-- | ruby_1_8_6/error.c | 1566 |
1 files changed, 0 insertions, 1566 deletions
diff --git a/ruby_1_8_6/error.c b/ruby_1_8_6/error.c deleted file mode 100644 index 608d1fa558..0000000000 --- a/ruby_1_8_6/error.c +++ /dev/null @@ -1,1566 +0,0 @@ -/********************************************************************** - - error.c - - - $Author$ - $Date$ - created at: Mon Aug 9 16:11:34 JST 1993 - - Copyright (C) 1993-2003 Yukihiro Matsumoto - -**********************************************************************/ - -#include "ruby.h" -#include "env.h" -#include "st.h" - -#include <stdio.h> -#ifdef HAVE_STDARG_PROTOTYPES -#include <stdarg.h> -#define va_init_list(a,b) va_start(a,b) -#else -#include <varargs.h> -#define va_init_list(a,b) va_start(a) -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#ifndef EXIT_SUCCESS -#define EXIT_SUCCESS 0 -#endif - -extern const char ruby_version[], ruby_release_date[], ruby_platform[]; - -int ruby_nerrs; - -static int -err_position(buf, len) - char *buf; - long len; -{ - ruby_set_current_source(); - if (!ruby_sourcefile) { - return 0; - } - else if (ruby_sourceline == 0) { - return snprintf(buf, len, "%s: ", ruby_sourcefile); - } - else { - return snprintf(buf, len, "%s:%d: ", ruby_sourcefile, ruby_sourceline); - } -} - -static void -err_snprintf(buf, len, fmt, args) - char *buf; - long len; - const char *fmt; - va_list args; -{ - long n; - - n = err_position(buf, len); - if (len > n) { - vsnprintf((char*)buf+n, len-n, fmt, args); - } -} - -static void err_append _((const char*)); -static void -err_print(fmt, args) - const char *fmt; - va_list args; -{ - char buf[BUFSIZ]; - - err_snprintf(buf, BUFSIZ, fmt, args); - err_append(buf); -} - -void -#ifdef HAVE_STDARG_PROTOTYPES -rb_compile_error(const char *fmt, ...) -#else -rb_compile_error(fmt, va_alist) - const char *fmt; - va_dcl -#endif -{ - va_list args; - - va_init_list(args, fmt); - err_print(fmt, args); - va_end(args); - ruby_nerrs++; -} - -void -#ifdef HAVE_STDARG_PROTOTYPES -rb_compile_error_append(const char *fmt, ...) -#else -rb_compile_error_append(fmt, va_alist) - const char *fmt; - va_dcl -#endif -{ - va_list args; - char buf[BUFSIZ]; - - va_init_list(args, fmt); - vsnprintf(buf, BUFSIZ, fmt, args); - va_end(args); - err_append(buf); -} - -static void -warn_print(fmt, args) - const char *fmt; - va_list args; -{ - char buf[BUFSIZ]; - int len; - - err_snprintf(buf, BUFSIZ, fmt, args); - len = strlen(buf); - buf[len++] = '\n'; - rb_write_error2(buf, len); -} - -void -#ifdef HAVE_STDARG_PROTOTYPES -rb_warn(const char *fmt, ...) -#else -rb_warn(fmt, va_alist) - const char *fmt; - va_dcl -#endif -{ - char buf[BUFSIZ]; - va_list args; - - if (NIL_P(ruby_verbose)) return; - - snprintf(buf, BUFSIZ, "warning: %s", fmt); - - va_init_list(args, fmt); - warn_print(buf, args); - va_end(args); -} - -/* rb_warning() reports only in verbose mode */ -void -#ifdef HAVE_STDARG_PROTOTYPES -rb_warning(const char *fmt, ...) -#else -rb_warning(fmt, va_alist) - const char *fmt; - va_dcl -#endif -{ - char buf[BUFSIZ]; - va_list args; - - if (!RTEST(ruby_verbose)) return; - - snprintf(buf, BUFSIZ, "warning: %s", fmt); - - va_init_list(args, fmt); - warn_print(buf, args); - va_end(args); -} - -/* - * call-seq: - * warn(msg) => nil - * - * Display the given message (followed by a newline) on STDERR unless - * warnings are disabled (for example with the <code>-W0</code> flag). - */ - -static VALUE -rb_warn_m(self, mesg) - VALUE self, mesg; -{ - if (!NIL_P(ruby_verbose)) { - rb_io_write(rb_stderr, mesg); - rb_io_write(rb_stderr, rb_default_rs); - } - return Qnil; -} - -void -#ifdef HAVE_STDARG_PROTOTYPES -rb_bug(const char *fmt, ...) -#else -rb_bug(fmt, va_alist) - const char *fmt; - va_dcl -#endif -{ - char buf[BUFSIZ]; - va_list args; - FILE *out = stderr; - int len = err_position(buf, BUFSIZ); - - if (fwrite(buf, 1, len, out) == len || - fwrite(buf, 1, len, (out = stdout)) == len) { - fputs("[BUG] ", out); - va_init_list(args, fmt); - vfprintf(out, fmt, args); - va_end(args); - fprintf(out, "\nruby %s (%s) [%s]\n\n", - ruby_version, ruby_release_date, ruby_platform); - } - abort(); -} - -static struct types { - int type; - const char *name; -} builtin_types[] = { - {T_NIL, "nil"}, - {T_OBJECT, "Object"}, - {T_CLASS, "Class"}, - {T_ICLASS, "iClass"}, /* internal use: mixed-in module holder */ - {T_MODULE, "Module"}, - {T_FLOAT, "Float"}, - {T_STRING, "String"}, - {T_REGEXP, "Regexp"}, - {T_ARRAY, "Array"}, - {T_FIXNUM, "Fixnum"}, - {T_HASH, "Hash"}, - {T_STRUCT, "Struct"}, - {T_BIGNUM, "Bignum"}, - {T_FILE, "File"}, - {T_TRUE, "true"}, - {T_FALSE, "false"}, - {T_SYMBOL, "Symbol"}, /* :symbol */ - {T_DATA, "Data"}, /* internal use: wrapped C pointers */ - {T_MATCH, "MatchData"}, /* data of $~ */ - {T_VARMAP, "Varmap"}, /* internal use: dynamic variables */ - {T_SCOPE, "Scope"}, /* internal use: variable scope */ - {T_NODE, "Node"}, /* internal use: syntax tree node */ - {T_UNDEF, "undef"}, /* internal use: #undef; should not happen */ - {-1, 0} -}; - -void -rb_check_type(x, t) - VALUE x; - int t; -{ - struct types *type = builtin_types; - - if (x == Qundef) { - rb_bug("undef leaked to the Ruby space"); - } - - if (TYPE(x) != t) { - while (type->type >= 0) { - if (type->type == t) { - char *etype; - - if (NIL_P(x)) { - etype = "nil"; - } - else if (FIXNUM_P(x)) { - etype = "Fixnum"; - } - else if (SYMBOL_P(x)) { - etype = "Symbol"; - } - else if (rb_special_const_p(x)) { - etype = RSTRING(rb_obj_as_string(x))->ptr; - } - else { - etype = rb_obj_classname(x); - } - rb_raise(rb_eTypeError, "wrong argument type %s (expected %s)", - etype, type->name); - } - type++; - } - rb_bug("unknown type 0x%x", t); - } -} - -/* exception classes */ -#include <errno.h> - -VALUE rb_eException; -VALUE rb_eSystemExit; -VALUE rb_eInterrupt; -VALUE rb_eSignal; -VALUE rb_eFatal; -VALUE rb_eStandardError; -VALUE rb_eRuntimeError; -VALUE rb_eTypeError; -VALUE rb_eArgError; -VALUE rb_eIndexError; -VALUE rb_eRangeError; -VALUE rb_eNameError; -VALUE rb_eNoMethodError; -VALUE rb_eSecurityError; -VALUE rb_eNotImpError; -VALUE rb_eNoMemError; -VALUE rb_cNameErrorMesg; - -VALUE rb_eScriptError; -VALUE rb_eSyntaxError; -VALUE rb_eLoadError; - -VALUE rb_eSystemCallError; -VALUE rb_mErrno; - -VALUE -rb_exc_new(etype, ptr, len) - VALUE etype; - const char *ptr; - long len; -{ - return rb_funcall(etype, rb_intern("new"), 1, rb_str_new(ptr, len)); -} - -VALUE -rb_exc_new2(etype, s) - VALUE etype; - const char *s; -{ - return rb_exc_new(etype, s, strlen(s)); -} - -VALUE -rb_exc_new3(etype, str) - VALUE etype, str; -{ - StringValue(str); - return rb_exc_new(etype, RSTRING(str)->ptr, RSTRING(str)->len); -} - -/* - * call-seq: - * Exception.new(msg = nil) => exception - * - * Construct a new Exception object, optionally passing in - * a message. - */ - -static VALUE -exc_initialize(argc, argv, exc) - int argc; - VALUE *argv; - VALUE exc; -{ - VALUE arg; - - rb_scan_args(argc, argv, "01", &arg); - rb_iv_set(exc, "mesg", arg); - rb_iv_set(exc, "bt", Qnil); - - return exc; -} - -/* - * Document-method: exception - * - * call-seq: - * exc.exception(string) -> an_exception or exc - * - * With no argument, or if the argument is the same as the receiver, - * return the receiver. Otherwise, create a new - * exception object of the same class as the receiver, but with a - * message equal to <code>string.to_str</code>. - * - */ - -static VALUE -exc_exception(argc, argv, self) - int argc; - VALUE *argv; - VALUE self; -{ - VALUE exc; - - if (argc == 0) return self; - if (argc == 1 && self == argv[0]) return self; - exc = rb_obj_clone(self); - exc_initialize(argc, argv, exc); - - return exc; -} - -/* - * call-seq: - * exception.to_s => string - * - * Returns exception's message (or the name of the exception if - * no message is set). - */ - -static VALUE -exc_to_s(exc) - VALUE exc; -{ - VALUE mesg = rb_attr_get(exc, rb_intern("mesg")); - - if (NIL_P(mesg)) return rb_class_name(CLASS_OF(exc)); - if (OBJ_TAINTED(exc)) OBJ_TAINT(mesg); - return mesg; -} - -/* - * call-seq: - * exception.message => string - * exception.to_str => string - * - * Returns the result of invoking <code>exception.to_s</code>. - * Normally this returns the exception's message or name. By - * supplying a to_str method, exceptions are agreeing to - * be used where Strings are expected. - */ - -static VALUE -exc_to_str(exc) - VALUE exc; -{ - return rb_funcall(exc, rb_intern("to_s"), 0, 0); -} - -/* - * call-seq: - * exception.inspect => string - * - * Return this exception's class name an message - */ - -static VALUE -exc_inspect(exc) - VALUE exc; -{ - VALUE str, klass; - - klass = CLASS_OF(exc); - exc = rb_obj_as_string(exc); - if (RSTRING(exc)->len == 0) { - return rb_str_dup(rb_class_name(klass)); - } - - str = rb_str_buf_new2("#<"); - klass = rb_class_name(klass); - rb_str_buf_append(str, klass); - rb_str_buf_cat(str, ": ", 2); - rb_str_buf_append(str, exc); - rb_str_buf_cat(str, ">", 1); - - return str; -} - -/* - * call-seq: - * exception.backtrace => array - * - * Returns any backtrace associated with the exception. The backtrace - * is an array of strings, each containing either ``filename:lineNo: in - * `method''' or ``filename:lineNo.'' - * - * def a - * raise "boom" - * end - * - * def b - * a() - * end - * - * begin - * b() - * rescue => detail - * print detail.backtrace.join("\n") - * end - * - * <em>produces:</em> - * - * prog.rb:2:in `a' - * prog.rb:6:in `b' - * prog.rb:10 -*/ - -static VALUE -exc_backtrace(exc) - VALUE exc; -{ - static ID bt; - - if (!bt) bt = rb_intern("bt"); - return rb_attr_get(exc, bt); -} - -VALUE -rb_check_backtrace(bt) - VALUE bt; -{ - long i; - static char *err = "backtrace must be Array of String"; - - if (!NIL_P(bt)) { - int t = TYPE(bt); - - if (t == T_STRING) return rb_ary_new3(1, bt); - if (t != T_ARRAY) { - rb_raise(rb_eTypeError, err); - } - for (i=0;i<RARRAY(bt)->len;i++) { - if (TYPE(RARRAY(bt)->ptr[i]) != T_STRING) { - rb_raise(rb_eTypeError, err); - } - } - } - return bt; -} - -/* - * call-seq: - * exc.set_backtrace(array) => array - * - * Sets the backtrace information associated with <i>exc</i>. The - * argument must be an array of <code>String</code> objects in the - * format described in <code>Exception#backtrace</code>. - * - */ - -static VALUE -exc_set_backtrace(exc, bt) - VALUE exc; - VALUE bt; -{ - return rb_iv_set(exc, "bt", rb_check_backtrace(bt)); -} - -/* - * call-seq: - * SystemExit.new(status=0) => system_exit - * - * Create a new +SystemExit+ exception with the given status. - */ - -static VALUE -exit_initialize(argc, argv, exc) - int argc; - VALUE *argv; - VALUE exc; -{ - VALUE status = INT2FIX(EXIT_SUCCESS); - if (argc > 0 && FIXNUM_P(argv[0])) { - status = *argv++; - --argc; - } - rb_call_super(argc, argv); - rb_iv_set(exc, "status", status); - return exc; -} - - -/* - * call-seq: - * system_exit.status => fixnum - * - * Return the status value associated with this system exit. - */ - -static VALUE -exit_status(exc) - VALUE exc; -{ - return rb_attr_get(exc, rb_intern("status")); -} - - -/* - * call-seq: - * system_exit.success? => true or false - * - * Returns +true+ if exiting successful, +false+ if not. - */ - -static VALUE -exit_success_p(exc) - VALUE exc; -{ - VALUE status = rb_attr_get(exc, rb_intern("status")); - if (NIL_P(status)) return Qtrue; - if (status == INT2FIX(EXIT_SUCCESS)) return Qtrue; - return Qfalse; -} - -void -#ifdef HAVE_STDARG_PROTOTYPES -rb_name_error(ID id, const char *fmt, ...) -#else -rb_name_error(id, fmt, va_alist) - ID id; - const char *fmt; - va_dcl -#endif -{ - VALUE exc, argv[2]; - va_list args; - char buf[BUFSIZ]; - - va_init_list(args, fmt); - vsnprintf(buf, BUFSIZ, fmt, args); - va_end(args); - - argv[0] = rb_str_new2(buf); - argv[1] = ID2SYM(id); - exc = rb_class_new_instance(2, argv, rb_eNameError); - rb_exc_raise(exc); -} - -/* - * call-seq: - * NameError.new(msg [, name]) => name_error - * - * Construct a new NameError exception. If given the <i>name</i> - * parameter may subsequently be examined using the <code>NameError.name</code> - * method. - */ - -static VALUE -name_err_initialize(argc, argv, self) - int argc; - VALUE *argv; - VALUE self; -{ - VALUE name; - - name = (argc > 1) ? argv[--argc] : Qnil; - rb_call_super(argc, argv); - rb_iv_set(self, "name", name); - return self; -} - -/* - * call-seq: - * name_error.name => string or nil - * - * Return the name associated with this NameError exception. - */ - -static VALUE -name_err_name(self) - VALUE self; -{ - return rb_attr_get(self, rb_intern("name")); -} - -/* - * call-seq: - * name_error.to_s => string - * - * Produce a nicely-formated string representing the +NameError+. - */ - -static VALUE -name_err_to_s(exc) - VALUE exc; -{ - VALUE mesg = rb_attr_get(exc, rb_intern("mesg")), str = mesg; - - if (NIL_P(mesg)) return rb_class_name(CLASS_OF(exc)); - StringValue(str); - if (str != mesg) { - rb_iv_set(exc, "mesg", mesg = str); - } - if (OBJ_TAINTED(exc)) OBJ_TAINT(mesg); - return mesg; -} - -/* - * call-seq: - * NoMethodError.new(msg, name [, args]) => no_method_error - * - * Construct a NoMethodError exception for a method of the given name - * called with the given arguments. The name may be accessed using - * the <code>#name</code> method on the resulting object, and the - * arguments using the <code>#args</code> method. - */ - -static VALUE -nometh_err_initialize(argc, argv, self) - int argc; - VALUE *argv; - VALUE self; -{ - VALUE args = (argc > 2) ? argv[--argc] : Qnil; - name_err_initialize(argc, argv, self); - rb_iv_set(self, "args", args); - return self; -} - -/* :nodoc: */ -static void -name_err_mesg_mark(ptr) - VALUE *ptr; -{ - rb_gc_mark_locations(ptr, ptr+3); -} - -/* :nodoc: */ -static VALUE -name_err_mesg_new(obj, mesg, recv, method) - VALUE obj, mesg, recv, method; -{ - VALUE *ptr = ALLOC_N(VALUE, 3); - - ptr[0] = mesg; - ptr[1] = recv; - ptr[2] = method; - return Data_Wrap_Struct(rb_cNameErrorMesg, name_err_mesg_mark, -1, ptr); -} - -/* :nodoc: */ -static VALUE -name_err_mesg_to_str(obj) - VALUE obj; -{ - VALUE *ptr, mesg; - Data_Get_Struct(obj, VALUE, ptr); - - mesg = ptr[0]; - if (NIL_P(mesg)) return Qnil; - else { - char *desc = 0; - VALUE d = 0, args[3]; - - obj = ptr[1]; - switch (TYPE(obj)) { - case T_NIL: - desc = "nil"; - break; - case T_TRUE: - desc = "true"; - break; - case T_FALSE: - desc = "false"; - break; - default: - d = rb_protect(rb_inspect, obj, 0); - if (NIL_P(d) || RSTRING(d)->len > 65) { - d = rb_any_to_s(obj); - } - desc = RSTRING(d)->ptr; - break; - } - if (desc && desc[0] != '#') { - d = rb_str_new2(desc); - rb_str_cat2(d, ":"); - rb_str_cat2(d, rb_obj_classname(obj)); - } - args[0] = mesg; - args[1] = ptr[2]; - args[2] = d; - mesg = rb_f_sprintf(3, args); - } - if (OBJ_TAINTED(obj)) OBJ_TAINT(mesg); - return mesg; -} - -/* :nodoc: */ -static VALUE -name_err_mesg_load(klass, str) - VALUE klass, str; -{ - return str; -} - -/* - * call-seq: - * no_method_error.args => obj - * - * Return the arguments passed in as the third parameter to - * the constructor. - */ - -static VALUE -nometh_err_args(self) - VALUE self; -{ - return rb_attr_get(self, rb_intern("args")); -} - -void -rb_invalid_str(str, type) - const char *str, *type; -{ - VALUE s = rb_str_inspect(rb_str_new2(str)); - - rb_raise(rb_eArgError, "invalid value for %s: %s", type, RSTRING(s)->ptr); -} - -/* - * Document-module: Errno - * - * Ruby exception objects are subclasses of <code>Exception</code>. - * However, operating systems typically report errors using plain - * integers. Module <code>Errno</code> is created dynamically to map - * these operating system errors to Ruby classes, with each error - * number generating its own subclass of <code>SystemCallError</code>. - * As the subclass is created in module <code>Errno</code>, its name - * will start <code>Errno::</code>. - * - * The names of the <code>Errno::</code> classes depend on - * the environment in which Ruby runs. On a typical Unix or Windows - * platform, there are <code>Errno</code> classes such as - * <code>Errno::EACCES</code>, <code>Errno::EAGAIN</code>, - * <code>Errno::EINTR</code>, and so on. - * - * The integer operating system error number corresponding to a - * particular error is available as the class constant - * <code>Errno::</code><em>error</em><code>::Errno</code>. - * - * Errno::EACCES::Errno #=> 13 - * Errno::EAGAIN::Errno #=> 11 - * Errno::EINTR::Errno #=> 4 - * - * The full list of operating system errors on your particular platform - * are available as the constants of <code>Errno</code>. - * - * Errno.constants #=> E2BIG, EACCES, EADDRINUSE, EADDRNOTAVAIL, ... - */ - -static st_table *syserr_tbl; - -static VALUE -set_syserr(n, name) - int n; - const char *name; -{ - VALUE error; - - if (!st_lookup(syserr_tbl, n, &error)) { - error = rb_define_class_under(rb_mErrno, name, rb_eSystemCallError); - rb_define_const(error, "Errno", INT2NUM(n)); - st_add_direct(syserr_tbl, n, error); - } - else { - rb_define_const(rb_mErrno, name, error); - } - return error; -} - -static VALUE -get_syserr(n) - int n; -{ - VALUE error; - - if (!st_lookup(syserr_tbl, n, &error)) { - char name[8]; /* some Windows' errno have 5 digits. */ - - snprintf(name, sizeof(name), "E%03d", n); - error = set_syserr(n, name); - } - return error; -} - -/* - * call-seq: - * SystemCallError.new(msg, errno) => system_call_error_subclass - * - * If _errno_ corresponds to a known system error code, constructs - * the appropriate <code>Errno</code> class for that error, otherwise - * constructs a generic <code>SystemCallError</code> object. The - * error number is subsequently available via the <code>errno</code> - * method. - */ - -static VALUE -syserr_initialize(argc, argv, self) - int argc; - VALUE *argv; - VALUE self; -{ -#if !defined(_WIN32) && !defined(__VMS) - char *strerror(); -#endif - char *err; - VALUE mesg, error; - VALUE klass = rb_obj_class(self); - - if (klass == rb_eSystemCallError) { - rb_scan_args(argc, argv, "11", &mesg, &error); - if (argc == 1 && FIXNUM_P(mesg)) { - error = mesg; mesg = Qnil; - } - if (!NIL_P(error) && st_lookup(syserr_tbl, NUM2LONG(error), &klass)) { - /* change class */ - if (TYPE(self) != T_OBJECT) { /* insurance to avoid type crash */ - rb_raise(rb_eTypeError, "invalid instance type"); - } - RBASIC(self)->klass = klass; - } - } - else { - rb_scan_args(argc, argv, "01", &mesg); - error = rb_const_get(klass, rb_intern("Errno")); - } - if (!NIL_P(error)) err = strerror(NUM2LONG(error)); - else err = "unknown error"; - if (!NIL_P(mesg)) { - VALUE str = mesg; - size_t len; - - StringValue(str); - len = strlen(err)+RSTRING(str)->len+3; - mesg = rb_str_new(0, len); - snprintf(RSTRING(mesg)->ptr, len+1, "%s - %.*s", err, - (int)RSTRING(str)->len, RSTRING(str)->ptr); - rb_str_resize(mesg, strlen(RSTRING(mesg)->ptr)); - } - else { - mesg = rb_str_new2(err); - } - rb_call_super(1, &mesg); - rb_iv_set(self, "errno", error); - return self; -} - -/* - * call-seq: - * system_call_error.errno => fixnum - * - * Return this SystemCallError's error number. - */ - -static VALUE -syserr_errno(self) - VALUE self; -{ - return rb_attr_get(self, rb_intern("errno")); -} - -/* - * call-seq: - * system_call_error === other => true or false - * - * Return +true+ if the receiver is a generic +SystemCallError+, or - * if the error numbers _self_ and _other_ are the same. - */ - - -static VALUE -syserr_eqq(self, exc) - VALUE self, exc; -{ - VALUE num, e; - - if (!rb_obj_is_kind_of(exc, rb_eSystemCallError)) return Qfalse; - if (self == rb_eSystemCallError) return Qtrue; - - num = rb_attr_get(exc, rb_intern("errno")); - if (NIL_P(num)) { - VALUE klass = CLASS_OF(exc); - - while (TYPE(klass) == T_ICLASS || FL_TEST(klass, FL_SINGLETON)) { - klass = (VALUE)RCLASS(klass)->super; - } - num = rb_const_get(klass, rb_intern("Errno")); - } - e = rb_const_get(self, rb_intern("Errno")); - if (FIXNUM_P(num) ? num == e : rb_equal(num, e)) - return Qtrue; - return Qfalse; -} - -/* - * Descendents of class <code>Exception</code> are used to communicate - * between <code>raise</code> methods and <code>rescue</code> - * statements in <code>begin/end</code> blocks. <code>Exception</code> - * objects carry information about the exception---its type (the - * exception's class name), an optional descriptive string, and - * optional traceback information. Programs may subclass - * <code>Exception</code> to add additional information. - */ - -void -Init_Exception() -{ - rb_eException = rb_define_class("Exception", rb_cObject); - rb_define_singleton_method(rb_eException, "exception", rb_class_new_instance, -1); - rb_define_method(rb_eException, "exception", exc_exception, -1); - rb_define_method(rb_eException, "initialize", exc_initialize, -1); - rb_define_method(rb_eException, "to_s", exc_to_s, 0); - rb_define_method(rb_eException, "to_str", exc_to_str, 0); - rb_define_method(rb_eException, "message", exc_to_str, 0); - rb_define_method(rb_eException, "inspect", exc_inspect, 0); - rb_define_method(rb_eException, "backtrace", exc_backtrace, 0); - rb_define_method(rb_eException, "set_backtrace", exc_set_backtrace, 1); - - rb_eSystemExit = rb_define_class("SystemExit", rb_eException); - rb_define_method(rb_eSystemExit, "initialize", exit_initialize, -1); - rb_define_method(rb_eSystemExit, "status", exit_status, 0); - rb_define_method(rb_eSystemExit, "success?", exit_success_p, 0); - - rb_eFatal = rb_define_class("fatal", rb_eException); - rb_eSignal = rb_define_class("SignalException", rb_eException); - rb_eInterrupt = rb_define_class("Interrupt", rb_eSignal); - - rb_eStandardError = rb_define_class("StandardError", rb_eException); - rb_eTypeError = rb_define_class("TypeError", rb_eStandardError); - rb_eArgError = rb_define_class("ArgumentError", rb_eStandardError); - rb_eIndexError = rb_define_class("IndexError", rb_eStandardError); - rb_eRangeError = rb_define_class("RangeError", rb_eStandardError); - rb_eNameError = rb_define_class("NameError", rb_eStandardError); - rb_define_method(rb_eNameError, "initialize", name_err_initialize, -1); - rb_define_method(rb_eNameError, "name", name_err_name, 0); - rb_define_method(rb_eNameError, "to_s", name_err_to_s, 0); - rb_cNameErrorMesg = rb_define_class_under(rb_eNameError, "message", rb_cData); - rb_define_singleton_method(rb_cNameErrorMesg, "!", name_err_mesg_new, 3); - rb_define_method(rb_cNameErrorMesg, "to_str", name_err_mesg_to_str, 0); - rb_define_method(rb_cNameErrorMesg, "_dump", name_err_mesg_to_str, 1); - rb_define_singleton_method(rb_cNameErrorMesg, "_load", name_err_mesg_load, 1); - rb_eNoMethodError = rb_define_class("NoMethodError", rb_eNameError); - rb_define_method(rb_eNoMethodError, "initialize", nometh_err_initialize, -1); - rb_define_method(rb_eNoMethodError, "args", nometh_err_args, 0); - - rb_eScriptError = rb_define_class("ScriptError", rb_eException); - rb_eSyntaxError = rb_define_class("SyntaxError", rb_eScriptError); - rb_eLoadError = rb_define_class("LoadError", rb_eScriptError); - rb_eNotImpError = rb_define_class("NotImplementedError", rb_eScriptError); - - rb_eRuntimeError = rb_define_class("RuntimeError", rb_eStandardError); - rb_eSecurityError = rb_define_class("SecurityError", rb_eStandardError); - rb_eNoMemError = rb_define_class("NoMemoryError", rb_eException); - - syserr_tbl = st_init_numtable(); - rb_eSystemCallError = rb_define_class("SystemCallError", rb_eStandardError); - rb_define_method(rb_eSystemCallError, "initialize", syserr_initialize, -1); - rb_define_method(rb_eSystemCallError, "errno", syserr_errno, 0); - rb_define_singleton_method(rb_eSystemCallError, "===", syserr_eqq, 1); - - rb_mErrno = rb_define_module("Errno"); - - rb_define_global_function("warn", rb_warn_m, 1); -} - -void -#ifdef HAVE_STDARG_PROTOTYPES -rb_raise(VALUE exc, const char *fmt, ...) -#else -rb_raise(exc, fmt, va_alist) - VALUE exc; - const char *fmt; - va_dcl -#endif -{ - va_list args; - char buf[BUFSIZ]; - - va_init_list(args,fmt); - vsnprintf(buf, BUFSIZ, fmt, args); - va_end(args); - rb_exc_raise(rb_exc_new2(exc, buf)); -} - -void -#ifdef HAVE_STDARG_PROTOTYPES -rb_loaderror(const char *fmt, ...) -#else -rb_loaderror(fmt, va_alist) - const char *fmt; - va_dcl -#endif -{ - va_list args; - char buf[BUFSIZ]; - - va_init_list(args, fmt); - vsnprintf(buf, BUFSIZ, fmt, args); - va_end(args); - rb_exc_raise(rb_exc_new2(rb_eLoadError, buf)); -} - -void -rb_notimplement() -{ - rb_raise(rb_eNotImpError, - "%s() function is unimplemented on this machine", - rb_id2name(ruby_frame->last_func)); -} - -void -#ifdef HAVE_STDARG_PROTOTYPES -rb_fatal(const char *fmt, ...) -#else -rb_fatal(fmt, va_alist) - const char *fmt; - va_dcl -#endif -{ - va_list args; - char buf[BUFSIZ]; - - va_init_list(args, fmt); - vsnprintf(buf, BUFSIZ, fmt, args); - va_end(args); - - ruby_in_eval = 0; - rb_exc_fatal(rb_exc_new2(rb_eFatal, buf)); -} - -void -rb_sys_fail(mesg) - const char *mesg; -{ - int n = errno; - VALUE arg; - - errno = 0; - if (n == 0) { - rb_bug("rb_sys_fail(%s) - errno == 0", mesg ? mesg : ""); - } - - arg = mesg ? rb_str_new2(mesg) : Qnil; - rb_exc_raise(rb_class_new_instance(1, &arg, get_syserr(n))); -} - -void -#ifdef HAVE_STDARG_PROTOTYPES -rb_sys_warning(const char *fmt, ...) -#else -rb_sys_warning(fmt, va_alist) - const char *fmt; - va_dcl -#endif -{ - char buf[BUFSIZ]; - va_list args; - int errno_save; - - errno_save = errno; - - if (!RTEST(ruby_verbose)) return; - - snprintf(buf, BUFSIZ, "warning: %s", fmt); - snprintf(buf+strlen(buf), BUFSIZ-strlen(buf), ": %s", strerror(errno_save)); - - va_init_list(args, fmt); - warn_print(buf, args); - va_end(args); - errno = errno_save; -} - -void -rb_load_fail(path) - const char *path; -{ - rb_loaderror("%s -- %s", strerror(errno), path); -} - -void -rb_error_frozen(what) - const char *what; -{ - rb_raise(rb_eTypeError, "can't modify frozen %s", what); -} - -void -rb_check_frozen(obj) - VALUE obj; -{ - if (OBJ_FROZEN(obj)) rb_error_frozen(rb_obj_classname(obj)); -} - -void -Init_syserr() -{ -#ifdef EPERM - set_syserr(EPERM, "EPERM"); -#endif -#ifdef ENOENT - set_syserr(ENOENT, "ENOENT"); -#endif -#ifdef ESRCH - set_syserr(ESRCH, "ESRCH"); -#endif -#ifdef EINTR - set_syserr(EINTR, "EINTR"); -#endif -#ifdef EIO - set_syserr(EIO, "EIO"); -#endif -#ifdef ENXIO - set_syserr(ENXIO, "ENXIO"); -#endif -#ifdef E2BIG - set_syserr(E2BIG, "E2BIG"); -#endif -#ifdef ENOEXEC - set_syserr(ENOEXEC, "ENOEXEC"); -#endif -#ifdef EBADF - set_syserr(EBADF, "EBADF"); -#endif -#ifdef ECHILD - set_syserr(ECHILD, "ECHILD"); -#endif -#ifdef EAGAIN - set_syserr(EAGAIN, "EAGAIN"); -#endif -#ifdef ENOMEM - set_syserr(ENOMEM, "ENOMEM"); -#endif -#ifdef EACCES - set_syserr(EACCES, "EACCES"); -#endif -#ifdef EFAULT - set_syserr(EFAULT, "EFAULT"); -#endif -#ifdef ENOTBLK - set_syserr(ENOTBLK, "ENOTBLK"); -#endif -#ifdef EBUSY - set_syserr(EBUSY, "EBUSY"); -#endif -#ifdef EEXIST - set_syserr(EEXIST, "EEXIST"); -#endif -#ifdef EXDEV - set_syserr(EXDEV, "EXDEV"); -#endif -#ifdef ENODEV - set_syserr(ENODEV, "ENODEV"); -#endif -#ifdef ENOTDIR - set_syserr(ENOTDIR, "ENOTDIR"); -#endif -#ifdef EISDIR - set_syserr(EISDIR, "EISDIR"); -#endif -#ifdef EINVAL - set_syserr(EINVAL, "EINVAL"); -#endif -#ifdef ENFILE - set_syserr(ENFILE, "ENFILE"); -#endif -#ifdef EMFILE - set_syserr(EMFILE, "EMFILE"); -#endif -#ifdef ENOTTY - set_syserr(ENOTTY, "ENOTTY"); -#endif -#ifdef ETXTBSY - set_syserr(ETXTBSY, "ETXTBSY"); -#endif -#ifdef EFBIG - set_syserr(EFBIG, "EFBIG"); -#endif -#ifdef ENOSPC - set_syserr(ENOSPC, "ENOSPC"); -#endif -#ifdef ESPIPE - set_syserr(ESPIPE, "ESPIPE"); -#endif -#ifdef EROFS - set_syserr(EROFS, "EROFS"); -#endif -#ifdef EMLINK - set_syserr(EMLINK, "EMLINK"); -#endif -#ifdef EPIPE - set_syserr(EPIPE, "EPIPE"); -#endif -#ifdef EDOM - set_syserr(EDOM, "EDOM"); -#endif -#ifdef ERANGE - set_syserr(ERANGE, "ERANGE"); -#endif -#ifdef EDEADLK - set_syserr(EDEADLK, "EDEADLK"); -#endif -#ifdef ENAMETOOLONG - set_syserr(ENAMETOOLONG, "ENAMETOOLONG"); -#endif -#ifdef ENOLCK - set_syserr(ENOLCK, "ENOLCK"); -#endif -#ifdef ENOSYS - set_syserr(ENOSYS, "ENOSYS"); -#endif -#ifdef ENOTEMPTY - set_syserr(ENOTEMPTY, "ENOTEMPTY"); -#endif -#ifdef ELOOP - set_syserr(ELOOP, "ELOOP"); -#endif -#ifdef EWOULDBLOCK - set_syserr(EWOULDBLOCK, "EWOULDBLOCK"); -#endif -#ifdef ENOMSG - set_syserr(ENOMSG, "ENOMSG"); -#endif -#ifdef EIDRM - set_syserr(EIDRM, "EIDRM"); -#endif -#ifdef ECHRNG - set_syserr(ECHRNG, "ECHRNG"); -#endif -#ifdef EL2NSYNC - set_syserr(EL2NSYNC, "EL2NSYNC"); -#endif -#ifdef EL3HLT - set_syserr(EL3HLT, "EL3HLT"); -#endif -#ifdef EL3RST - set_syserr(EL3RST, "EL3RST"); -#endif -#ifdef ELNRNG - set_syserr(ELNRNG, "ELNRNG"); -#endif -#ifdef EUNATCH - set_syserr(EUNATCH, "EUNATCH"); -#endif -#ifdef ENOCSI - set_syserr(ENOCSI, "ENOCSI"); -#endif -#ifdef EL2HLT - set_syserr(EL2HLT, "EL2HLT"); -#endif -#ifdef EBADE - set_syserr(EBADE, "EBADE"); -#endif -#ifdef EBADR - set_syserr(EBADR, "EBADR"); -#endif -#ifdef EXFULL - set_syserr(EXFULL, "EXFULL"); -#endif -#ifdef ENOANO - set_syserr(ENOANO, "ENOANO"); -#endif -#ifdef EBADRQC - set_syserr(EBADRQC, "EBADRQC"); -#endif -#ifdef EBADSLT - set_syserr(EBADSLT, "EBADSLT"); -#endif -#ifdef EDEADLOCK - set_syserr(EDEADLOCK, "EDEADLOCK"); -#endif -#ifdef EBFONT - set_syserr(EBFONT, "EBFONT"); -#endif -#ifdef ENOSTR - set_syserr(ENOSTR, "ENOSTR"); -#endif -#ifdef ENODATA - set_syserr(ENODATA, "ENODATA"); -#endif -#ifdef ETIME - set_syserr(ETIME, "ETIME"); -#endif -#ifdef ENOSR - set_syserr(ENOSR, "ENOSR"); -#endif -#ifdef ENONET - set_syserr(ENONET, "ENONET"); -#endif -#ifdef ENOPKG - set_syserr(ENOPKG, "ENOPKG"); -#endif -#ifdef EREMOTE - set_syserr(EREMOTE, "EREMOTE"); -#endif -#ifdef ENOLINK - set_syserr(ENOLINK, "ENOLINK"); -#endif -#ifdef EADV - set_syserr(EADV, "EADV"); -#endif -#ifdef ESRMNT - set_syserr(ESRMNT, "ESRMNT"); -#endif -#ifdef ECOMM - set_syserr(ECOMM, "ECOMM"); -#endif -#ifdef EPROTO - set_syserr(EPROTO, "EPROTO"); -#endif -#ifdef EMULTIHOP - set_syserr(EMULTIHOP, "EMULTIHOP"); -#endif -#ifdef EDOTDOT - set_syserr(EDOTDOT, "EDOTDOT"); -#endif -#ifdef EBADMSG - set_syserr(EBADMSG, "EBADMSG"); -#endif -#ifdef EOVERFLOW - set_syserr(EOVERFLOW, "EOVERFLOW"); -#endif -#ifdef ENOTUNIQ - set_syserr(ENOTUNIQ, "ENOTUNIQ"); -#endif -#ifdef EBADFD - set_syserr(EBADFD, "EBADFD"); -#endif -#ifdef EREMCHG - set_syserr(EREMCHG, "EREMCHG"); -#endif -#ifdef ELIBACC - set_syserr(ELIBACC, "ELIBACC"); -#endif -#ifdef ELIBBAD - set_syserr(ELIBBAD, "ELIBBAD"); -#endif -#ifdef ELIBSCN - set_syserr(ELIBSCN, "ELIBSCN"); -#endif -#ifdef ELIBMAX - set_syserr(ELIBMAX, "ELIBMAX"); -#endif -#ifdef ELIBEXEC - set_syserr(ELIBEXEC, "ELIBEXEC"); -#endif -#ifdef EILSEQ - set_syserr(EILSEQ, "EILSEQ"); -#endif -#ifdef ERESTART - set_syserr(ERESTART, "ERESTART"); -#endif -#ifdef ESTRPIPE - set_syserr(ESTRPIPE, "ESTRPIPE"); -#endif -#ifdef EUSERS - set_syserr(EUSERS, "EUSERS"); -#endif -#ifdef ENOTSOCK - set_syserr(ENOTSOCK, "ENOTSOCK"); -#endif -#ifdef EDESTADDRREQ - set_syserr(EDESTADDRREQ, "EDESTADDRREQ"); -#endif -#ifdef EMSGSIZE - set_syserr(EMSGSIZE, "EMSGSIZE"); -#endif -#ifdef EPROTOTYPE - set_syserr(EPROTOTYPE, "EPROTOTYPE"); -#endif -#ifdef ENOPROTOOPT - set_syserr(ENOPROTOOPT, "ENOPROTOOPT"); -#endif -#ifdef EPROTONOSUPPORT - set_syserr(EPROTONOSUPPORT, "EPROTONOSUPPORT"); -#endif -#ifdef ESOCKTNOSUPPORT - set_syserr(ESOCKTNOSUPPORT, "ESOCKTNOSUPPORT"); -#endif -#ifdef EOPNOTSUPP - set_syserr(EOPNOTSUPP, "EOPNOTSUPP"); -#endif -#ifdef EPFNOSUPPORT - set_syserr(EPFNOSUPPORT, "EPFNOSUPPORT"); -#endif -#ifdef EAFNOSUPPORT - set_syserr(EAFNOSUPPORT, "EAFNOSUPPORT"); -#endif -#ifdef EADDRINUSE - set_syserr(EADDRINUSE, "EADDRINUSE"); -#endif -#ifdef EADDRNOTAVAIL - set_syserr(EADDRNOTAVAIL, "EADDRNOTAVAIL"); -#endif -#ifdef ENETDOWN - set_syserr(ENETDOWN, "ENETDOWN"); -#endif -#ifdef ENETUNREACH - set_syserr(ENETUNREACH, "ENETUNREACH"); -#endif -#ifdef ENETRESET - set_syserr(ENETRESET, "ENETRESET"); -#endif -#ifdef ECONNABORTED - set_syserr(ECONNABORTED, "ECONNABORTED"); -#endif -#ifdef ECONNRESET - set_syserr(ECONNRESET, "ECONNRESET"); -#endif -#ifdef ENOBUFS - set_syserr(ENOBUFS, "ENOBUFS"); -#endif -#ifdef EISCONN - set_syserr(EISCONN, "EISCONN"); -#endif -#ifdef ENOTCONN - set_syserr(ENOTCONN, "ENOTCONN"); -#endif -#ifdef ESHUTDOWN - set_syserr(ESHUTDOWN, "ESHUTDOWN"); -#endif -#ifdef ETOOMANYREFS - set_syserr(ETOOMANYREFS, "ETOOMANYREFS"); -#endif -#ifdef ETIMEDOUT - set_syserr(ETIMEDOUT, "ETIMEDOUT"); -#endif -#ifdef ECONNREFUSED - set_syserr(ECONNREFUSED, "ECONNREFUSED"); -#endif -#ifdef EHOSTDOWN - set_syserr(EHOSTDOWN, "EHOSTDOWN"); -#endif -#ifdef EHOSTUNREACH - set_syserr(EHOSTUNREACH, "EHOSTUNREACH"); -#endif -#ifdef EALREADY - set_syserr(EALREADY, "EALREADY"); -#endif -#ifdef EINPROGRESS - set_syserr(EINPROGRESS, "EINPROGRESS"); -#endif -#ifdef ESTALE - set_syserr(ESTALE, "ESTALE"); -#endif -#ifdef EUCLEAN - set_syserr(EUCLEAN, "EUCLEAN"); -#endif -#ifdef ENOTNAM - set_syserr(ENOTNAM, "ENOTNAM"); -#endif -#ifdef ENAVAIL - set_syserr(ENAVAIL, "ENAVAIL"); -#endif -#ifdef EISNAM - set_syserr(EISNAM, "EISNAM"); -#endif -#ifdef EREMOTEIO - set_syserr(EREMOTEIO, "EREMOTEIO"); -#endif -#ifdef EDQUOT - set_syserr(EDQUOT, "EDQUOT"); -#endif -} - -static void -err_append(s) - const char *s; -{ - extern VALUE ruby_errinfo; - - if (ruby_in_eval) { - if (NIL_P(ruby_errinfo)) { - ruby_errinfo = rb_exc_new2(rb_eSyntaxError, s); - } - else { - VALUE str = rb_obj_as_string(ruby_errinfo); - - rb_str_cat2(str, "\n"); - rb_str_cat2(str, s); - ruby_errinfo = rb_exc_new3(rb_eSyntaxError, str); - } - } - else { - rb_write_error(s); - rb_write_error("\n"); - } -} |