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-rw-r--r--ruby_1_8_6/error.c1566
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");
- }
-}