diff options
Diffstat (limited to 'error.c')
| -rw-r--r-- | error.c | 3037 |
1 files changed, 2141 insertions, 896 deletions
@@ -2,291 +2,839 @@ error.c - - $Author: matz $ - $Date: 2006/07/20 07:04:13 $ + $Author$ created at: Mon Aug 9 16:11:34 JST 1993 - Copyright (C) 1993-2003 Yukihiro Matsumoto + Copyright (C) 1993-2007 Yukihiro Matsumoto **********************************************************************/ -#include "ruby.h" -#include "env.h" -#include "st.h" +#include "internal.h" +#include "ruby/st.h" +#include "ruby_assert.h" +#include "vm_core.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 +#include <errno.h> +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#if defined __APPLE__ +# include <AvailabilityMacros.h> +#endif + +/*! + * \defgroup exception Exception handlings + * \{ + */ + #ifndef EXIT_SUCCESS #define EXIT_SUCCESS 0 #endif -extern const char ruby_version[], ruby_release_date[], ruby_platform[]; +#ifndef WIFEXITED +#define WIFEXITED(status) 1 +#endif + +#ifndef WEXITSTATUS +#define WEXITSTATUS(status) (status) +#endif + +VALUE rb_iseqw_local_variables(VALUE iseqval); +VALUE rb_iseqw_new(const rb_iseq_t *); +int rb_str_end_with_asciichar(VALUE str, int c); + +VALUE rb_eEAGAIN; +VALUE rb_eEWOULDBLOCK; +VALUE rb_eEINPROGRESS; +VALUE rb_mWarning; +VALUE rb_cWarningBuffer; + +static ID id_warn; + +extern const char ruby_description[]; -int ruby_nerrs; +static const char REPORTBUG_MSG[] = + "[NOTE]\n" \ + "You may have encountered a bug in the Ruby interpreter" \ + " or extension libraries.\n" \ + "Bug reports are welcome.\n" \ + "" + "For details: http://www.ruby-lang.org/bugreport.html\n\n" \ + ; + +static const char * +rb_strerrno(int err) +{ +#define defined_error(name, num) if (err == (num)) return (name); +#define undefined_error(name) +#include "known_errors.inc" +#undef defined_error +#undef undefined_error + return NULL; +} static int -err_position(buf, len) - char *buf; - long len; +err_position_0(char *buf, long len, const char *file, int line) { - ruby_set_current_source(); - if (!ruby_sourcefile) { + if (!file) { return 0; } - else if (ruby_sourceline == 0) { - return snprintf(buf, len, "%s: ", ruby_sourcefile); + else if (line == 0) { + return snprintf(buf, len, "%s: ", file); } else { - return snprintf(buf, len, "%s:%d: ", ruby_sourcefile, ruby_sourceline); + return snprintf(buf, len, "%s:%d: ", file, line); } } -static void -err_snprintf(buf, len, fmt, args) - char *buf; - long len; - const char *fmt; - va_list args; +static VALUE +err_vcatf(VALUE str, const char *pre, const char *file, int line, + const char *fmt, va_list args) { - long n; + if (file) { + rb_str_cat2(str, file); + if (line) rb_str_catf(str, ":%d", line); + rb_str_cat2(str, ": "); + } + if (pre) rb_str_cat2(str, pre); + rb_str_vcatf(str, fmt, args); + return str; +} - n = err_position(buf, len); - if (len > n) { - vsnprintf((char*)buf+n, len-n, fmt, args); +VALUE +rb_syntax_error_append(VALUE exc, VALUE file, int line, int column, + rb_encoding *enc, const char *fmt, va_list args) +{ + const char *fn = NIL_P(file) ? NULL : RSTRING_PTR(file); + if (!exc) { + VALUE mesg = rb_enc_str_new(0, 0, enc); + err_vcatf(mesg, NULL, fn, line, fmt, args); + rb_str_cat2(mesg, "\n"); + rb_write_error_str(mesg); + } + else { + VALUE mesg; + if (NIL_P(exc)) { + mesg = rb_enc_str_new(0, 0, enc); + exc = rb_class_new_instance(1, &mesg, rb_eSyntaxError); + } + else { + mesg = rb_attr_get(exc, idMesg); + if (RSTRING_LEN(mesg) > 0 && *(RSTRING_END(mesg)-1) != '\n') + rb_str_cat_cstr(mesg, "\n"); + } + err_vcatf(mesg, NULL, fn, line, fmt, args); } + + return exc; +} + +void +ruby_deprecated_internal_feature(const char *func) +{ + rb_print_backtrace(); + rb_fatal("%s is only for internal use and deprecated; do not use", func); +} + +/* + * call-seq: + * warn(msg) -> nil + * + * Writes warning message +msg+ to $stderr, followed by a newline + * if the message does not end in a newline. This method is called + * by Ruby for all emitted warnings. + */ + +static VALUE +rb_warning_s_warn(VALUE mod, VALUE str) +{ + Check_Type(str, T_STRING); + rb_must_asciicompat(str); + rb_write_error_str(str); + return Qnil; +} + +/* + * Document-module: Warning + * + * The Warning module contains a single method named #warn, and the + * module extends itself, making <code>Warning.warn</code> available. + * Warning.warn is called for all warnings issued by Ruby. + * By default, warnings are printed to $stderr. + * + * By overriding Warning.warn, you can change how warnings are + * handled by Ruby, either filtering some warnings, and/or outputting + * warnings somewhere other than $stderr. When Warning.warn is + * overridden, super can be called to get the default behavior of + * printing the warning to $stderr. + */ + +VALUE +rb_warning_warn(VALUE mod, VALUE str) +{ + return rb_funcallv(mod, id_warn, 1, &str); } -static void err_append _((const char*)); static void -err_print(fmt, args) - const char *fmt; - va_list args; +rb_write_warning_str(VALUE str) +{ + rb_warning_warn(rb_mWarning, str); +} + +static VALUE +warn_vsprintf(rb_encoding *enc, const char *file, int line, const char *fmt, va_list args) { - char buf[BUFSIZ]; + VALUE str = rb_enc_str_new(0, 0, enc); - err_snprintf(buf, BUFSIZ, fmt, args); - err_append(buf); + err_vcatf(str, "warning: ", file, line, fmt, args); + return rb_str_cat2(str, "\n"); } void -#ifdef HAVE_STDARG_PROTOTYPES -rb_compile_error(const char *fmt, ...) -#else -rb_compile_error(fmt, va_alist) - const char *fmt; - va_dcl -#endif +rb_compile_warn(const char *file, int line, const char *fmt, ...) { + VALUE str; va_list args; - va_init_list(args, fmt); - err_print(fmt, args); + if (NIL_P(ruby_verbose)) return; + + va_start(args, fmt); + str = warn_vsprintf(NULL, file, line, fmt, args); va_end(args); - ruby_nerrs++; + rb_write_warning_str(str); } +/* rb_compile_warning() reports only in verbose mode */ 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 +rb_compile_warning(const char *file, int line, const char *fmt, ...) { + VALUE str; va_list args; - char buf[BUFSIZ]; - va_init_list(args, fmt); - vsnprintf(buf, BUFSIZ, fmt, args); + if (!RTEST(ruby_verbose)) return; + + va_start(args, fmt); + str = warn_vsprintf(NULL, file, line, fmt, args); va_end(args); - err_append(buf); + rb_write_warning_str(str); } -static void -warn_print(fmt, args) - const char *fmt; - va_list args; +static VALUE +warning_string(rb_encoding *enc, 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); + int line; + const char *file = rb_source_location_cstr(&line); + return warn_vsprintf(enc, file, line, fmt, args); } +#define with_warning_string(mesg, enc, fmt) \ + VALUE mesg; \ + va_list args; va_start(args, fmt); \ + mesg = warning_string(enc, fmt, args); \ + va_end(args); + 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); + if (!NIL_P(ruby_verbose)) { + with_warning_string(mesg, 0, fmt) { + rb_write_warning_str(mesg); + } + } +} - va_init_list(args, fmt); - warn_print(buf, args); - va_end(args); +void +rb_enc_warn(rb_encoding *enc, const char *fmt, ...) +{ + if (!NIL_P(ruby_verbose)) { + with_warning_string(mesg, enc, fmt) { + rb_write_warning_str(mesg); + } + } } /* 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)) { + with_warning_string(mesg, 0, fmt) { + rb_write_warning_str(mesg); + } + } +} - if (!RTEST(ruby_verbose)) return; +VALUE +rb_warning_string(const char *fmt, ...) +{ + with_warning_string(mesg, 0, fmt) { + } + return mesg; +} - snprintf(buf, BUFSIZ, "warning: %s", fmt); +#if 0 +void +rb_enc_warning(rb_encoding *enc, const char *fmt, ...) +{ + if (RTEST(ruby_verbose)) { + with_warning_string(mesg, enc, fmt) { + rb_write_warning_str(mesg); + } + } +} +#endif - va_init_list(args, fmt); - warn_print(buf, args); - va_end(args); +static inline int +end_with_asciichar(VALUE str, int c) +{ + return RB_TYPE_P(str, T_STRING) && + rb_str_end_with_asciichar(str, c); +} + +static VALUE +warning_write(int argc, VALUE *argv, VALUE buf) +{ + while (argc-- > 0) { + rb_str_append(buf, *argv++); + } + return buf; } /* * call-seq: - * warn(msg) => nil + * warn(msg, ...) -> nil + * + * If warnings have been disabled (for example with the + * <code>-W0</code> flag), does nothing. Otherwise, + * converts each of the messages to strings, appends a newline + * character to the string if the string does not end in a newline, + * and calls <code>Warning.warn</code> with the string. + * + * warn("warning 1", "warning 2") + * + * <em>produces:</em> * - * Display the given message (followed by a newline) on STDERR unless - * warnings are disabled (for example with the <code>-W0</code> flag). + * warning 1 + * warning 2 */ static VALUE -rb_warn_m(self, mesg) - VALUE self, mesg; +rb_warn_m(int argc, VALUE *argv, VALUE exc) { - if (!NIL_P(ruby_verbose)) { - rb_io_write(rb_stderr, mesg); - rb_io_write(rb_stderr, rb_default_rs); + VALUE opts, location = Qnil; + + if (!NIL_P(ruby_verbose) && argc > 0 && + (argc = rb_scan_args(argc, argv, "*:", NULL, &opts)) > 0) { + VALUE str = argv[0], uplevel = Qnil; + if (!NIL_P(opts)) { + static ID kwds[1]; + if (!kwds[0]) { + CONST_ID(kwds[0], "uplevel"); + } + rb_get_kwargs(opts, kwds, 0, 1, &uplevel); + if (uplevel == Qundef) { + uplevel = Qnil; + } + else if (!NIL_P(uplevel)) { + VALUE args[2]; + long lev = NUM2LONG(uplevel); + if (lev < 0) { + rb_raise(rb_eArgError, "negative level (%ld)", lev); + } + args[0] = LONG2NUM(lev + 1); + args[1] = INT2FIX(1); + location = rb_vm_thread_backtrace_locations(2, args, GET_THREAD()->self); + if (!NIL_P(location)) { + location = rb_ary_entry(location, 0); + } + } + } + if (argc > 1 || !NIL_P(uplevel) || !end_with_asciichar(str, '\n')) { + VALUE path; + if (NIL_P(uplevel)) { + str = rb_str_tmp_new(0); + } + else if (NIL_P(location) || + NIL_P(path = rb_funcall(location, rb_intern("path"), 0))) { + str = rb_str_new_cstr("warning: "); + } + else { + str = rb_sprintf("%s:%ld: warning: ", + rb_string_value_ptr(&path), + NUM2LONG(rb_funcall(location, rb_intern("lineno"), 0))); + } + RBASIC_SET_CLASS(str, rb_cWarningBuffer); + rb_io_puts(argc, argv, str); + RBASIC_SET_CLASS(str, rb_cString); + } + if (exc == rb_mWarning) { + rb_must_asciicompat(str); + rb_write_error_str(str); + } + else { + rb_write_warning_str(str); + } } return Qnil; } -void -#ifdef HAVE_STDARG_PROTOTYPES -rb_bug(const char *fmt, ...) +#define MAX_BUG_REPORTERS 0x100 + +static struct bug_reporters { + void (*func)(FILE *out, void *data); + void *data; +} bug_reporters[MAX_BUG_REPORTERS]; + +static int bug_reporters_size; + +int +rb_bug_reporter_add(void (*func)(FILE *, void *), void *data) +{ + struct bug_reporters *reporter; + if (bug_reporters_size >= MAX_BUG_REPORTERS) { + return 0; /* failed to register */ + } + reporter = &bug_reporters[bug_reporters_size++]; + reporter->func = func; + reporter->data = data; + + return 1; +} + +/* SIGSEGV handler might have a very small stack. Thus we need to use it carefully. */ +#define REPORT_BUG_BUFSIZ 256 +static FILE * +bug_report_file(const char *file, int line) +{ + char buf[REPORT_BUG_BUFSIZ]; + FILE *out = stderr; + int len = err_position_0(buf, sizeof(buf), file, line); + + if ((ssize_t)fwrite(buf, 1, len, out) == (ssize_t)len || + (ssize_t)fwrite(buf, 1, len, (out = stdout)) == (ssize_t)len) { + return out; + } + return NULL; +} + +FUNC_MINIMIZED(static void bug_important_message(FILE *out, const char *const msg, size_t len)); + +static void +bug_important_message(FILE *out, const char *const msg, size_t len) +{ + const char *const endmsg = msg + len; + const char *p = msg; + + if (!len) return; + if (isatty(fileno(out))) { + static const char red[] = "\033[;31;1;7m"; + static const char green[] = "\033[;32;7m"; + static const char reset[] = "\033[m"; + const char *e = strchr(p, '\n'); + const int w = (int)(e - p); + do { + int i = (int)(e - p); + fputs(*p == ' ' ? green : red, out); + fwrite(p, 1, e - p, out); + for (; i < w; ++i) fputc(' ', out); + fputs(reset, out); + fputc('\n', out); + } while ((p = e + 1) < endmsg && (e = strchr(p, '\n')) != 0 && e > p + 1); + } + fwrite(p, 1, endmsg - p, out); +} + +static void +preface_dump(FILE *out) +{ +#if defined __APPLE__ + static const char msg[] = "" + "-- Crash Report log information " + "--------------------------------------------\n" + " See Crash Report log file under the one of following:\n" +# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6 + " * ~/Library/Logs/CrashReporter\n" + " * /Library/Logs/CrashReporter\n" +# endif + " * ~/Library/Logs/DiagnosticReports\n" + " * /Library/Logs/DiagnosticReports\n" + " for more details.\n" + "Don't forget to include the above Crash Report log file in bug reports.\n" + "\n"; + const size_t msglen = sizeof(msg) - 1; +#else + const char *msg = NULL; + const size_t msglen = 0; +#endif + bug_important_message(out, msg, msglen); +} + +static void +postscript_dump(FILE *out) +{ +#if defined __APPLE__ + static const char msg[] = "" + "[IMPORTANT]" + /*" ------------------------------------------------"*/ + "\n""Don't forget to include the Crash Report log file under\n" +# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6 + "CrashReporter or " +# endif + "DiagnosticReports directory in bug reports.\n" + /*"------------------------------------------------------------\n"*/ + "\n"; + const size_t msglen = sizeof(msg) - 1; #else -rb_bug(fmt, va_alist) - const char *fmt; - va_dcl + const char *msg = NULL; + const size_t msglen = 0; #endif + bug_important_message(out, msg, msglen); +} + +static void +bug_report_begin_valist(FILE *out, const char *fmt, va_list args) { - char buf[BUFSIZ]; - va_list args; - FILE *out = stderr; - int len = err_position(buf, BUFSIZ); + char buf[REPORT_BUG_BUFSIZ]; + + fputs("[BUG] ", out); + vsnprintf(buf, sizeof(buf), fmt, args); + fputs(buf, out); + snprintf(buf, sizeof(buf), "\n%s\n\n", ruby_description); + fputs(buf, out); + preface_dump(out); +} + +#define bug_report_begin(out, fmt) do { \ + va_list args; \ + va_start(args, fmt); \ + bug_report_begin_valist(out, fmt, args); \ + va_end(args); \ +} while (0) - 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); +static void +bug_report_end(FILE *out) +{ + /* call additional bug reporters */ + { + int i; + for (i=0; i<bug_reporters_size; i++) { + struct bug_reporters *reporter = &bug_reporters[i]; + (*reporter->func)(out, reporter->data); + } } + fputs(REPORTBUG_MSG, out); + postscript_dump(out); +} + +#define report_bug(file, line, fmt, ctx) do { \ + FILE *out = bug_report_file(file, line); \ + if (out) { \ + bug_report_begin(out, fmt); \ + rb_vm_bugreport(ctx); \ + bug_report_end(out); \ + } \ +} while (0) \ + +#define report_bug_valist(file, line, fmt, ctx, args) do { \ + FILE *out = bug_report_file(file, line); \ + if (out) { \ + bug_report_begin_valist(out, fmt, args); \ + rb_vm_bugreport(ctx); \ + bug_report_end(out); \ + } \ +} while (0) \ + +NORETURN(static void die(void)); +static void +die(void) +{ +#if defined(_WIN32) && defined(RUBY_MSVCRT_VERSION) && RUBY_MSVCRT_VERSION >= 80 + _set_abort_behavior( 0, _CALL_REPORTFAULT); +#endif + 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_bug(const char *fmt, ...) +{ + const char *file = NULL; + int line = 0; + + if (GET_EC()) { + file = rb_source_location_cstr(&line); + } + + report_bug(file, line, fmt, NULL); + + die(); +} + +void +rb_bug_context(const void *ctx, const char *fmt, ...) +{ + const char *file = NULL; + int line = 0; + + if (GET_EC()) { + file = rb_source_location_cstr(&line); + } + + report_bug(file, line, fmt, ctx); + + die(); +} + + +void +rb_bug_errno(const char *mesg, int errno_arg) +{ + if (errno_arg == 0) + rb_bug("%s: errno == 0 (NOERROR)", mesg); + else { + const char *errno_str = rb_strerrno(errno_arg); + if (errno_str) + rb_bug("%s: %s (%s)", mesg, strerror(errno_arg), errno_str); + else + rb_bug("%s: %s (%d)", mesg, strerror(errno_arg), errno_arg); + } +} + +/* + * this is safe to call inside signal handler and timer thread + * (which isn't a Ruby Thread object) + */ +#define write_or_abort(fd, str, len) (write((fd), (str), (len)) < 0 ? abort() : (void)0) +#define WRITE_CONST(fd,str) write_or_abort((fd),(str),sizeof(str) - 1) + +void +rb_async_bug_errno(const char *mesg, int errno_arg) +{ + WRITE_CONST(2, "[ASYNC BUG] "); + write_or_abort(2, mesg, strlen(mesg)); + WRITE_CONST(2, "\n"); + + if (errno_arg == 0) { + WRITE_CONST(2, "errno == 0 (NOERROR)\n"); + } + else { + const char *errno_str = rb_strerrno(errno_arg); + + if (!errno_str) + errno_str = "undefined errno"; + write_or_abort(2, errno_str, strlen(errno_str)); + } + WRITE_CONST(2, "\n\n"); + write_or_abort(2, ruby_description, strlen(ruby_description)); + WRITE_CONST(2, "\n\n"); + WRITE_CONST(2, REPORTBUG_MSG); + abort(); +} + +void +rb_report_bug_valist(VALUE file, int line, const char *fmt, va_list args) +{ + report_bug_valist(RSTRING_PTR(file), line, fmt, NULL, args); +} + +void +rb_assert_failure(const char *file, int line, const char *name, const char *expr) +{ + FILE *out = stderr; + fprintf(out, "Assertion Failed: %s:%d:", file, line); + if (name) fprintf(out, "%s:", name); + fprintf(out, "%s\n%s\n\n", expr, ruby_description); + preface_dump(out); + rb_vm_bugreport(NULL); + bug_report_end(out); + die(); +} + +static const char builtin_types[][10] = { + "", /* 0x00, */ + "Object", + "Class", + "Module", + "Float", + "String", + "Regexp", + "Array", + "Hash", + "Struct", + "Bignum", + "File", + "Data", /* internal use: wrapped C pointers */ + "MatchData", /* data of $~ */ + "Complex", + "Rational", + "", /* 0x10 */ + "nil", + "true", + "false", + "Symbol", /* :symbol */ + "Fixnum", + "undef", /* internal use: #undef; should not happen */ + "", /* 0x17 */ + "", /* 0x18 */ + "", /* 0x19 */ + "Memo", /* internal use: general memo */ + "Node", /* internal use: syntax tree node */ + "iClass", /* internal use: mixed-in module holder */ }; +const char * +rb_builtin_type_name(int t) +{ + const char *name; + if ((unsigned int)t >= numberof(builtin_types)) return 0; + name = builtin_types[t]; + if (*name) return name; + return 0; +} + +static const char * +builtin_class_name(VALUE x) +{ + const char *etype; + + if (NIL_P(x)) { + etype = "nil"; + } + else if (FIXNUM_P(x)) { + etype = "Integer"; + } + else if (SYMBOL_P(x)) { + etype = "Symbol"; + } + else if (RB_TYPE_P(x, T_TRUE)) { + etype = "true"; + } + else if (RB_TYPE_P(x, T_FALSE)) { + etype = "false"; + } + else { + etype = NULL; + } + return etype; +} + +const char * +rb_builtin_class_name(VALUE x) +{ + const char *etype = builtin_class_name(x); + + if (!etype) { + etype = rb_obj_classname(x); + } + return etype; +} + +NORETURN(static void unexpected_type(VALUE, int, int)); +#define UNDEF_LEAKED "undef leaked to the Ruby space" + +static void +unexpected_type(VALUE x, int xt, int t) +{ + const char *tname = rb_builtin_type_name(t); + VALUE mesg, exc = rb_eFatal; + + if (tname) { + const char *cname = builtin_class_name(x); + if (cname) + mesg = rb_sprintf("wrong argument type %s (expected %s)", + cname, tname); + else + mesg = rb_sprintf("wrong argument type %"PRIsVALUE" (expected %s)", + rb_obj_class(x), tname); + exc = rb_eTypeError; + } + else if (xt > T_MASK && xt <= 0x3f) { + mesg = rb_sprintf("unknown type 0x%x (0x%x given, probably comes" + " from extension library for ruby 1.8)", t, xt); + } + else { + mesg = rb_sprintf("unknown type 0x%x (0x%x given)", t, xt); + } + rb_exc_raise(rb_exc_new_str(exc, mesg)); +} + void -rb_check_type(x, t) - VALUE x; - int t; +rb_check_type(VALUE x, int t) { - struct types *type = builtin_types; + int xt; if (x == Qundef) { - rb_bug("undef leaked to the Ruby space"); + rb_bug(UNDEF_LEAKED); } - if (TYPE(x) != t) { - while (type->type >= 0) { - if (type->type == t) { - char *etype; + xt = TYPE(x); + if (xt != t || (xt == T_DATA && RTYPEDDATA_P(x))) { + unexpected_type(x, xt, t); + } +} - 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); +void +rb_unexpected_type(VALUE x, int t) +{ + if (x == Qundef) { + rb_bug(UNDEF_LEAKED); } + + unexpected_type(x, TYPE(x), t); } -/* exception classes */ -#include <errno.h> +int +rb_typeddata_inherited_p(const rb_data_type_t *child, const rb_data_type_t *parent) +{ + while (child) { + if (child == parent) return 1; + child = child->parent; + } + return 0; +} + +int +rb_typeddata_is_kind_of(VALUE obj, const rb_data_type_t *data_type) +{ + if (!RB_TYPE_P(obj, T_DATA) || + !RTYPEDDATA_P(obj) || !rb_typeddata_inherited_p(RTYPEDDATA_TYPE(obj), data_type)) { + return 0; + } + return 1; +} +void * +rb_check_typeddata(VALUE obj, const rb_data_type_t *data_type) +{ + const char *etype; + + if (!RB_TYPE_P(obj, T_DATA)) { + wrong_type: + etype = builtin_class_name(obj); + if (!etype) + rb_raise(rb_eTypeError, "wrong argument type %"PRIsVALUE" (expected %s)", + rb_obj_class(obj), data_type->wrap_struct_name); + wrong_datatype: + rb_raise(rb_eTypeError, "wrong argument type %s (expected %s)", + etype, data_type->wrap_struct_name); + } + if (!RTYPEDDATA_P(obj)) { + goto wrong_type; + } + else if (!rb_typeddata_inherited_p(RTYPEDDATA_TYPE(obj), data_type)) { + etype = RTYPEDDATA_TYPE(obj)->wrap_struct_name; + goto wrong_datatype; + } + return DATA_PTR(obj); +} + +/* exception classes */ VALUE rb_eException; VALUE rb_eSystemExit; VALUE rb_eInterrupt; @@ -294,11 +842,15 @@ VALUE rb_eSignal; VALUE rb_eFatal; VALUE rb_eStandardError; VALUE rb_eRuntimeError; +VALUE rb_eFrozenError; VALUE rb_eTypeError; VALUE rb_eArgError; VALUE rb_eIndexError; +VALUE rb_eKeyError; VALUE rb_eRangeError; VALUE rb_eNameError; +VALUE rb_eEncodingError; +VALUE rb_eEncCompatError; VALUE rb_eNoMethodError; VALUE rb_eSecurityError; VALUE rb_eNotImpError; @@ -311,51 +863,55 @@ VALUE rb_eLoadError; VALUE rb_eSystemCallError; VALUE rb_mErrno; +static VALUE rb_eNOERROR; + +static ID id_new, id_cause, id_message, id_backtrace; +static ID id_name, id_key, id_args, id_Errno, id_errno, id_i_path; +static ID id_receiver, id_iseq, id_local_variables; +static ID id_private_call_p, id_top, id_bottom; +extern ID ruby_static_id_status; +#define id_bt idBt +#define id_bt_locations idBt_locations +#define id_mesg idMesg +#define id_status ruby_static_id_status + +#undef rb_exc_new_cstr VALUE -rb_exc_new(etype, ptr, len) - VALUE etype; - const char *ptr; - long len; +rb_exc_new(VALUE etype, const char *ptr, long len) { - return rb_funcall(etype, rb_intern("new"), 1, rb_str_new(ptr, len)); + return rb_funcall(etype, id_new, 1, rb_str_new(ptr, len)); } VALUE -rb_exc_new2(etype, s) - VALUE etype; - const char *s; +rb_exc_new_cstr(VALUE etype, const char *s) { return rb_exc_new(etype, s, strlen(s)); } VALUE -rb_exc_new3(etype, str) - VALUE etype, str; +rb_exc_new_str(VALUE etype, VALUE str) { StringValue(str); - return rb_exc_new(etype, RSTRING(str)->ptr, RSTRING(str)->len); + return rb_funcall(etype, id_new, 1, str); } /* * call-seq: - * Exception.new(msg = nil) => exception + * Exception.new(msg = nil) -> exception * - * Construct a new Exception object, optionally passing in + * Construct a new Exception object, optionally passing in * a message. */ static VALUE -exc_initialize(argc, argv, exc) - int argc; - VALUE *argv; - VALUE exc; +exc_initialize(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); + rb_ivar_set(exc, id_mesg, arg); + rb_ivar_set(exc, id_bt, Qnil); return exc; } @@ -364,20 +920,17 @@ exc_initialize(argc, argv, exc) * Document-method: exception * * call-seq: - * exc.exception(string) -> an_exception or exc - * + * 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; +exc_exception(int argc, VALUE *argv, VALUE self) { VALUE exc; @@ -391,57 +944,137 @@ exc_exception(argc, argv, self) /* * call-seq: - * exception.to_s => string + * 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; +exc_to_s(VALUE exc) { - VALUE mesg = rb_attr_get(exc, rb_intern("mesg")); + VALUE mesg = rb_attr_get(exc, idMesg); if (NIL_P(mesg)) return rb_class_name(CLASS_OF(exc)); - if (OBJ_TAINTED(exc)) OBJ_TAINT(mesg); - return mesg; + return rb_String(mesg); +} + +/* FIXME: Include eval_error.c */ +void rb_error_write(VALUE errinfo, VALUE emesg, VALUE errat, VALUE str, VALUE highlight, VALUE reverse); + +VALUE +rb_get_message(VALUE exc) +{ + VALUE e = rb_check_funcall(exc, id_message, 0, 0); + if (e == Qundef) return Qnil; + if (!RB_TYPE_P(e, T_STRING)) e = rb_check_string_type(e); + return e; +} + +/* + * call-seq: + * Exception.to_tty? -> true or false + * + * Returns +true+ if exception messages will be sent to a tty. + */ +static VALUE +exc_s_to_tty_p(VALUE self) +{ + return rb_stderr_tty_p() ? Qtrue : Qfalse; +} + +/* + * call-seq: + * exception.full_message(highlight: bool, order: [:top or :bottom]) -> string + * + * Returns formatted string of _exception_. + * The returned string is formatted using the same format that Ruby uses + * when printing an uncaught exceptions to stderr. + * + * If _highlight_ is +true+ the default error handler will send the + * messages to a tty. + * + * _order_ must be either of +:top+ or +:bottom+, and places the error + * message and the innermost backtrace come at the top or the bottom. + * + * The default values of these options depend on <code>$stderr</code> + * and its +tty?+ at the timing of a call. + */ + +static VALUE +exc_full_message(int argc, VALUE *argv, VALUE exc) +{ + VALUE opt, str, emesg, errat; + enum {kw_highlight, kw_order, kw_max_}; + static ID kw[kw_max_]; + VALUE args[kw_max_] = {Qnil, Qnil}; + + rb_scan_args(argc, argv, "0:", &opt); + if (!NIL_P(opt)) { + if (!kw[0]) { +#define INIT_KW(n) kw[kw_##n] = rb_intern_const(#n) + INIT_KW(highlight); + INIT_KW(order); +#undef INIT_KW + } + rb_get_kwargs(opt, kw, 0, kw_max_, args); + switch (args[kw_highlight]) { + default: + rb_raise(rb_eArgError, "expected true or false as " + "highlight: %+"PRIsVALUE, args[kw_highlight]); + case Qundef: args[kw_highlight] = Qnil; break; + case Qtrue: case Qfalse: case Qnil: break; + } + if (args[kw_order] == Qundef) { + args[kw_order] = Qnil; + } + else { + ID id = rb_check_id(&args[kw_order]); + if (id == id_bottom) args[kw_order] = Qtrue; + else if (id == id_top) args[kw_order] = Qfalse; + else { + rb_raise(rb_eArgError, "expected :top or :down as " + "order: %+"PRIsVALUE, args[kw_order]); + } + } + } + str = rb_str_new2(""); + errat = rb_get_backtrace(exc); + emesg = rb_get_message(exc); + + rb_error_write(exc, emesg, errat, str, args[kw_highlight], args[kw_order]); + return str; } /* * call-seq: - * exception.message => string - * exception.to_str => string + * exception.message -> 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. + * Normally this returns the exception's message or name. */ static VALUE -exc_to_str(exc) - VALUE exc; +exc_message(VALUE exc) { - return rb_funcall(exc, rb_intern("to_s"), 0, 0); + return rb_funcallv(exc, idTo_s, 0, 0); } /* * call-seq: - * exception.inspect => string + * exception.inspect -> string * - * Return this exception's class name an message + * Return this exception's class name and message */ static VALUE -exc_inspect(exc) - VALUE exc; +exc_inspect(VALUE exc) { VALUE str, klass; klass = CLASS_OF(exc); exc = rb_obj_as_string(exc); - if (RSTRING(exc)->len == 0) { + if (RSTRING_LEN(exc) == 0) { return rb_str_dup(rb_class_name(klass)); } @@ -457,59 +1090,106 @@ exc_inspect(exc) /* * call-seq: - * exception.backtrace => array - * + * 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; +exc_backtrace(VALUE exc) +{ + VALUE obj; + + obj = rb_attr_get(exc, id_bt); + + if (rb_backtrace_p(obj)) { + obj = rb_backtrace_to_str_ary(obj); + /* rb_ivar_set(exc, id_bt, obj); */ + } + + return obj; +} + +VALUE +rb_get_backtrace(VALUE exc) +{ + ID mid = id_backtrace; + VALUE info; + if (rb_method_basic_definition_p(CLASS_OF(exc), id_backtrace)) { + VALUE klass = rb_eException; + rb_execution_context_t *ec = GET_EC(); + if (NIL_P(exc)) + return Qnil; + EXEC_EVENT_HOOK(ec, RUBY_EVENT_C_CALL, exc, mid, mid, klass, Qundef); + info = exc_backtrace(exc); + EXEC_EVENT_HOOK(ec, RUBY_EVENT_C_RETURN, exc, mid, mid, klass, info); + } + else { + info = rb_funcallv(exc, mid, 0, 0); + } + if (NIL_P(info)) return Qnil; + return rb_check_backtrace(info); +} + +/* + * call-seq: + * exception.backtrace_locations -> array + * + * Returns any backtrace associated with the exception. This method is + * similar to Exception#backtrace, but the backtrace is an array of + * Thread::Backtrace::Location. + * + * Now, this method is not affected by Exception#set_backtrace(). + */ +static VALUE +exc_backtrace_locations(VALUE exc) { - static ID bt; + VALUE obj; - if (!bt) bt = rb_intern("bt"); - return rb_attr_get(exc, bt); + obj = rb_attr_get(exc, id_bt_locations); + if (!NIL_P(obj)) { + obj = rb_backtrace_to_location_ary(obj); + } + return obj; } VALUE -rb_check_backtrace(bt) - VALUE bt; +rb_check_backtrace(VALUE bt) { long i; - static char *err = "backtrace must be Array of String"; + static const 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) { + if (RB_TYPE_P(bt, T_STRING)) return rb_ary_new3(1, bt); + if (rb_backtrace_p(bt)) return bt; + if (!RB_TYPE_P(bt, T_ARRAY)) { rb_raise(rb_eTypeError, err); } - for (i=0;i<RARRAY(bt)->len;i++) { - if (TYPE(RARRAY(bt)->ptr[i]) != T_STRING) { + for (i=0;i<RARRAY_LEN(bt);i++) { + VALUE e = RARRAY_AREF(bt, i); + if (!RB_TYPE_P(e, T_STRING)) { rb_raise(rb_eTypeError, err); } } @@ -519,105 +1199,213 @@ rb_check_backtrace(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>. - * + * exc.set_backtrace(backtrace) -> array + * + * Sets the backtrace information associated with +exc+. The +backtrace+ must + * be an array of String objects or a single String in the format described + * in Exception#backtrace. + * */ static VALUE -exc_set_backtrace(exc, bt) - VALUE exc; - VALUE bt; +exc_set_backtrace(VALUE exc, VALUE bt) +{ + return rb_ivar_set(exc, id_bt, rb_check_backtrace(bt)); +} + +VALUE +rb_exc_set_backtrace(VALUE exc, VALUE bt) { - return rb_iv_set(exc, "bt", rb_check_backtrace(bt)); + return exc_set_backtrace(exc, bt); } /* * call-seq: - * SystemExit.new(status=0) => system_exit + * exception.cause -> an_exception or nil * - * Create a new +SystemExit+ exception with the given status. + * Returns the previous exception ($!) at the time this exception was raised. + * This is useful for wrapping exceptions and retaining the original exception + * information. */ static VALUE -exit_initialize(argc, argv, exc) - int argc; - VALUE *argv; - VALUE exc; +exc_cause(VALUE exc) +{ + return rb_attr_get(exc, id_cause); +} + +static VALUE +try_convert_to_exception(VALUE obj) +{ + return rb_check_funcall(obj, idException, 0, 0); +} + +/* + * call-seq: + * exc == obj -> true or false + * + * Equality---If <i>obj</i> is not an <code>Exception</code>, returns + * <code>false</code>. Otherwise, returns <code>true</code> if <i>exc</i> and + * <i>obj</i> share same class, messages, and backtrace. + */ + +static VALUE +exc_equal(VALUE exc, VALUE obj) { - VALUE status = INT2FIX(EXIT_SUCCESS); - if (argc > 0 && FIXNUM_P(argv[0])) { - status = *argv++; - --argc; + VALUE mesg, backtrace; + + if (exc == obj) return Qtrue; + + if (rb_obj_class(exc) != rb_obj_class(obj)) { + int state; + + obj = rb_protect(try_convert_to_exception, obj, &state); + if (state || obj == Qundef) { + rb_set_errinfo(Qnil); + return Qfalse; + } + if (rb_obj_class(exc) != rb_obj_class(obj)) return Qfalse; + mesg = rb_check_funcall(obj, id_message, 0, 0); + if (mesg == Qundef) return Qfalse; + backtrace = rb_check_funcall(obj, id_backtrace, 0, 0); + if (backtrace == Qundef) return Qfalse; + } + else { + mesg = rb_attr_get(obj, id_mesg); + backtrace = exc_backtrace(obj); + } + + if (!rb_equal(rb_attr_get(exc, id_mesg), mesg)) + return Qfalse; + if (!rb_equal(exc_backtrace(exc), backtrace)) + return Qfalse; + return Qtrue; +} + +/* + * call-seq: + * SystemExit.new -> system_exit + * SystemExit.new(status) -> system_exit + * SystemExit.new(status, msg) -> system_exit + * SystemExit.new(msg) -> system_exit + * + * Create a new +SystemExit+ exception with the given status and message. + * Status is true, false, or an integer. + * If status is not given, true is used. + */ + +static VALUE +exit_initialize(int argc, VALUE *argv, VALUE exc) +{ + VALUE status; + if (argc > 0) { + status = *argv; + + switch (status) { + case Qtrue: + status = INT2FIX(EXIT_SUCCESS); + ++argv; + --argc; + break; + case Qfalse: + status = INT2FIX(EXIT_FAILURE); + ++argv; + --argc; + break; + default: + status = rb_check_to_int(status); + if (NIL_P(status)) { + status = INT2FIX(EXIT_SUCCESS); + } + else { +#if EXIT_SUCCESS != 0 + if (status == INT2FIX(0)) + status = INT2FIX(EXIT_SUCCESS); +#endif + ++argv; + --argc; + } + break; + } + } + else { + status = INT2FIX(EXIT_SUCCESS); } rb_call_super(argc, argv); - rb_iv_set(exc, "status", status); + rb_ivar_set(exc, id_status, status); return exc; } /* * call-seq: - * system_exit.status => fixnum + * system_exit.status -> integer * * Return the status value associated with this system exit. */ static VALUE -exit_status(exc) - VALUE exc; +exit_status(VALUE exc) { - return rb_attr_get(exc, rb_intern("status")); + return rb_attr_get(exc, id_status); } /* * call-seq: - * system_exit.success? => true or false + * system_exit.success? -> true or false * * Returns +true+ if exiting successful, +false+ if not. */ static VALUE -exit_success_p(exc) - VALUE exc; +exit_success_p(VALUE exc) { - VALUE status = rb_attr_get(exc, rb_intern("status")); - if (NIL_P(status)) return Qtrue; - if (status == INT2FIX(EXIT_SUCCESS)) return Qtrue; + VALUE status_val = rb_attr_get(exc, id_status); + int status; + + if (NIL_P(status_val)) + return Qtrue; + status = NUM2INT(status_val); + if (WIFEXITED(status) && WEXITSTATUS(status) == 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_start(args, fmt); + argv[0] = rb_vsprintf(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); } +void +rb_name_error_str(VALUE str, const char *fmt, ...) +{ + VALUE exc, argv[2]; + va_list args; + + va_start(args, fmt); + argv[0] = rb_vsprintf(fmt, args); + va_end(args); + + argv[1] = str; + exc = rb_class_new_instance(2, argv, rb_eNameError); + rb_exc_raise(exc); +} + /* * call-seq: - * NameError.new(msg [, name]) => name_error + * 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> @@ -625,58 +1413,64 @@ rb_name_error(id, fmt, va_alist) */ static VALUE -name_err_initialize(argc, argv, self) - int argc; - VALUE *argv; - VALUE self; +name_err_initialize(int argc, VALUE *argv, VALUE self) { VALUE name; + VALUE iseqw = Qnil; name = (argc > 1) ? argv[--argc] : Qnil; rb_call_super(argc, argv); - rb_iv_set(self, "name", name); + rb_ivar_set(self, id_name, name); + { + const rb_execution_context_t *ec = GET_EC(); + rb_control_frame_t *cfp = + rb_vm_get_ruby_level_next_cfp(ec, RUBY_VM_PREVIOUS_CONTROL_FRAME(ec->cfp)); + if (cfp) iseqw = rb_iseqw_new(cfp->iseq); + } + rb_ivar_set(self, id_iseq, iseqw); return self; } /* * call-seq: - * name_error.name => string or nil + * name_error.name -> string or nil * * Return the name associated with this NameError exception. */ static VALUE -name_err_name(self) - VALUE self; +name_err_name(VALUE self) { - return rb_attr_get(self, rb_intern("name")); + return rb_attr_get(self, id_name); } /* - * call-seq: - * name_error.to_s => string + * call-seq: + * name_error.local_variables -> array * - * Produce a nicely-formated string representing the +NameError+. + * Return a list of the local variable names defined where this + * NameError exception was raised. + * + * Internal use only. */ static VALUE -name_err_to_s(exc) - VALUE exc; +name_err_local_variables(VALUE self) { - VALUE mesg = rb_attr_get(exc, rb_intern("mesg")), str = mesg; + VALUE vars = rb_attr_get(self, id_local_variables); - if (NIL_P(mesg)) return rb_class_name(CLASS_OF(exc)); - StringValue(str); - if (str != mesg) { - rb_iv_set(exc, "mesg", mesg = str); + if (NIL_P(vars)) { + VALUE iseqw = rb_attr_get(self, id_iseq); + if (!NIL_P(iseqw)) vars = rb_iseqw_local_variables(iseqw); + if (NIL_P(vars)) vars = rb_ary_new(); + rb_ivar_set(self, id_local_variables, vars); } - if (OBJ_TAINTED(exc)) OBJ_TAINT(mesg); - return mesg; + return vars; } /* * call-seq: - * NoMethodError.new(msg, name [, args]) => no_method_error + * 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 @@ -685,118 +1479,278 @@ name_err_to_s(exc) */ static VALUE -nometh_err_initialize(argc, argv, self) - int argc; - VALUE *argv; - VALUE self; +nometh_err_initialize(int argc, VALUE *argv, VALUE self) { + VALUE priv = (argc > 3) && (--argc, RTEST(argv[argc])) ? Qtrue : Qfalse; VALUE args = (argc > 2) ? argv[--argc] : Qnil; name_err_initialize(argc, argv, self); - rb_iv_set(self, "args", args); + rb_ivar_set(self, id_args, args); + rb_ivar_set(self, id_private_call_p, RTEST(priv) ? Qtrue : Qfalse); return self; } /* :nodoc: */ +enum { + NAME_ERR_MESG__MESG, + NAME_ERR_MESG__RECV, + NAME_ERR_MESG__NAME, + NAME_ERR_MESG_COUNT +}; + static void -name_err_mesg_mark(ptr) - VALUE *ptr; +name_err_mesg_mark(void *p) +{ + VALUE *ptr = p; + rb_gc_mark_locations(ptr, ptr+NAME_ERR_MESG_COUNT); +} + +#define name_err_mesg_free RUBY_TYPED_DEFAULT_FREE + +static size_t +name_err_mesg_memsize(const void *p) { - rb_gc_mark_locations(ptr, ptr+3); + return NAME_ERR_MESG_COUNT * sizeof(VALUE); } +static const rb_data_type_t name_err_mesg_data_type = { + "name_err_mesg", + { + name_err_mesg_mark, + name_err_mesg_free, + name_err_mesg_memsize, + }, + 0, 0, RUBY_TYPED_FREE_IMMEDIATELY +}; + /* :nodoc: */ -static VALUE -name_err_mesg_new(obj, mesg, recv, method) - VALUE obj, mesg, recv, method; +VALUE +rb_name_err_mesg_new(VALUE mesg, VALUE recv, VALUE method) { - VALUE *ptr = ALLOC_N(VALUE, 3); + VALUE result = TypedData_Wrap_Struct(rb_cNameErrorMesg, &name_err_mesg_data_type, 0); + VALUE *ptr = ALLOC_N(VALUE, NAME_ERR_MESG_COUNT); + + ptr[NAME_ERR_MESG__MESG] = mesg; + ptr[NAME_ERR_MESG__RECV] = recv; + ptr[NAME_ERR_MESG__NAME] = method; + RTYPEDDATA_DATA(result) = ptr; + return result; +} - ptr[0] = mesg; - ptr[1] = recv; - ptr[2] = method; - return Data_Wrap_Struct(rb_cNameErrorMesg, name_err_mesg_mark, -1, ptr); +VALUE +rb_name_err_new(VALUE mesg, VALUE recv, VALUE method) +{ + VALUE exc = rb_obj_alloc(rb_eNameError); + rb_ivar_set(exc, id_mesg, rb_name_err_mesg_new(mesg, recv, method)); + rb_ivar_set(exc, id_bt, Qnil); + rb_ivar_set(exc, id_name, method); + rb_ivar_set(exc, id_receiver, recv); + return exc; } /* :nodoc: */ static VALUE -name_err_mesg_to_str(obj) - VALUE obj; +name_err_mesg_equal(VALUE obj1, VALUE obj2) +{ + VALUE *ptr1, *ptr2; + int i; + + if (obj1 == obj2) return Qtrue; + if (rb_obj_class(obj2) != rb_cNameErrorMesg) + return Qfalse; + + TypedData_Get_Struct(obj1, VALUE, &name_err_mesg_data_type, ptr1); + TypedData_Get_Struct(obj2, VALUE, &name_err_mesg_data_type, ptr2); + for (i=0; i<NAME_ERR_MESG_COUNT; i++) { + if (!rb_equal(ptr1[i], ptr2[i])) + return Qfalse; + } + return Qtrue; +} + +/* :nodoc: */ +static VALUE +name_err_mesg_to_str(VALUE obj) { VALUE *ptr, mesg; - Data_Get_Struct(obj, VALUE, ptr); + TypedData_Get_Struct(obj, VALUE, &name_err_mesg_data_type, ptr); - mesg = ptr[0]; + mesg = ptr[NAME_ERR_MESG__MESG]; 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"; + struct RString s_str, d_str; + VALUE c, s, d = 0, args[4]; + int state = 0, singleton = 0; + rb_encoding *usascii = rb_usascii_encoding(); + +#define FAKE_CSTR(v, str) rb_setup_fake_str((v), (str), rb_strlen_lit(str), usascii) + obj = ptr[NAME_ERR_MESG__RECV]; + switch (obj) { + case Qnil: + d = FAKE_CSTR(&d_str, "nil"); break; - case T_TRUE: - desc = "true"; + case Qtrue: + d = FAKE_CSTR(&d_str, "true"); break; - case T_FALSE: - desc = "false"; + case Qfalse: + d = FAKE_CSTR(&d_str, "false"); break; default: - d = rb_protect(rb_inspect, obj, 0); - if (NIL_P(d) || RSTRING(d)->len > 65) { + d = rb_protect(rb_inspect, obj, &state); + if (state) + rb_set_errinfo(Qnil); + if (NIL_P(d) || RSTRING_LEN(d) > 65) { d = rb_any_to_s(obj); } - desc = RSTRING(d)->ptr; + singleton = (RSTRING_LEN(d) > 0 && RSTRING_PTR(d)[0] == '#'); + d = QUOTE(d); break; } - if (desc && desc[0] != '#') { - d = rb_str_new2(desc); - rb_str_cat2(d, ":"); - rb_str_cat2(d, rb_obj_classname(obj)); + if (!singleton) { + s = FAKE_CSTR(&s_str, ":"); + c = rb_class_name(CLASS_OF(obj)); + } + else { + c = s = FAKE_CSTR(&s_str, ""); } - args[0] = mesg; - args[1] = ptr[2]; - args[2] = d; - mesg = rb_f_sprintf(3, args); + args[0] = QUOTE(rb_obj_as_string(ptr[NAME_ERR_MESG__NAME])); + args[1] = d; + args[2] = s; + args[3] = c; + mesg = rb_str_format(4, args, mesg); } - if (OBJ_TAINTED(obj)) OBJ_TAINT(mesg); return mesg; } /* :nodoc: */ static VALUE -name_err_mesg_load(klass, str) - VALUE klass, str; +name_err_mesg_dump(VALUE obj, VALUE limit) +{ + return name_err_mesg_to_str(obj); +} + +/* :nodoc: */ +static VALUE +name_err_mesg_load(VALUE klass, VALUE str) { return str; } /* * call-seq: - * no_method_error.args => obj + * name_error.receiver -> object + * + * Return the receiver associated with this NameError exception. + */ + +static VALUE +name_err_receiver(VALUE self) +{ + VALUE *ptr, recv, mesg; + + recv = rb_ivar_lookup(self, id_receiver, Qundef); + if (recv != Qundef) return recv; + + mesg = rb_attr_get(self, id_mesg); + if (!rb_typeddata_is_kind_of(mesg, &name_err_mesg_data_type)) { + rb_raise(rb_eArgError, "no receiver is available"); + } + ptr = DATA_PTR(mesg); + return ptr[NAME_ERR_MESG__RECV]; +} + +/* + * 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; +nometh_err_args(VALUE self) { - return rb_attr_get(self, rb_intern("args")); + return rb_attr_get(self, id_args); +} + +static VALUE +nometh_err_private_call_p(VALUE self) +{ + return rb_attr_get(self, id_private_call_p); } void -rb_invalid_str(str, type) - const char *str, *type; +rb_invalid_str(const char *str, const char *type) +{ + VALUE s = rb_str_new2(str); + + rb_raise(rb_eArgError, "invalid value for %s: %+"PRIsVALUE, type, s); +} + +/* + * call-seq: + * key_error.receiver -> object + * + * Return the receiver associated with this KeyError exception. + */ + +static VALUE +key_err_receiver(VALUE self) { - VALUE s = rb_str_inspect(rb_str_new2(str)); + VALUE recv; - rb_raise(rb_eArgError, "invalid value for %s: %s", type, RSTRING(s)->ptr); + recv = rb_ivar_lookup(self, id_receiver, Qundef); + if (recv != Qundef) return recv; + rb_raise(rb_eArgError, "no receiver is available"); } -/* +/* + * call-seq: + * key_error.key -> object + * + * Return the key caused this KeyError exception. + */ + +static VALUE +key_err_key(VALUE self) +{ + VALUE key; + + key = rb_ivar_lookup(self, id_key, Qundef); + if (key != Qundef) return key; + rb_raise(rb_eArgError, "no key is available"); +} + +VALUE +rb_key_err_new(VALUE mesg, VALUE recv, VALUE key) +{ + VALUE exc = rb_obj_alloc(rb_eKeyError); + rb_ivar_set(exc, id_mesg, mesg); + rb_ivar_set(exc, id_bt, Qnil); + rb_ivar_set(exc, id_key, key); + rb_ivar_set(exc, id_receiver, recv); + return exc; +} + +/* + * call-seq: + * SyntaxError.new([msg]) -> syntax_error + * + * Construct a SyntaxError exception. + */ + +static VALUE +syntax_error_initialize(int argc, VALUE *argv, VALUE self) +{ + VALUE mesg; + if (argc == 0) { + mesg = rb_fstring_cstr("compile error"); + argc = 1; + argv = &mesg; + } + return rb_call_super(argc, argv); +} + +/* * Document-module: Errno * * Ruby exception objects are subclasses of <code>Exception</code>. @@ -806,38 +1760,54 @@ rb_invalid_str(str, type) * 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, ... + * Errno.constants #=> :E2BIG, :EACCES, :EADDRINUSE, :EADDRNOTAVAIL, ... */ static st_table *syserr_tbl; static VALUE -set_syserr(n, name) - int n; - const char *name; +set_syserr(int n, const char *name) { - VALUE error; + st_data_t error; if (!st_lookup(syserr_tbl, n, &error)) { error = rb_define_class_under(rb_mErrno, name, rb_eSystemCallError); + + /* capture nonblock errnos for WaitReadable/WaitWritable subclasses */ + switch (n) { + case EAGAIN: + rb_eEAGAIN = error; + +#if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN + break; + case EWOULDBLOCK: +#endif + + rb_eEWOULDBLOCK = error; + break; + case EINPROGRESS: + rb_eEINPROGRESS = error; + break; + } + rb_define_const(error, "Errno", INT2NUM(n)); st_add_direct(syserr_tbl, n, error); } @@ -848,10 +1818,9 @@ set_syserr(n, name) } static VALUE -get_syserr(n) - int n; +get_syserr(int n) { - VALUE error; + st_data_t error; if (!st_lookup(syserr_tbl, n, &error)) { char name[8]; /* some Windows' errno have 5 digits. */ @@ -864,7 +1833,7 @@ get_syserr(n) /* * call-seq: - * SystemCallError.new(msg, errno) => system_call_error_subclass + * 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 @@ -874,126 +1843,501 @@ get_syserr(n) */ static VALUE -syserr_initialize(argc, argv, self) - int argc; - VALUE *argv; - VALUE self; +syserr_initialize(int argc, VALUE *argv, VALUE self) { -#if !defined(_WIN32) && !defined(__VMS) +#if !defined(_WIN32) char *strerror(); #endif - char *err; - VALUE mesg, error; + const char *err; + VALUE mesg, error, func, errmsg; VALUE klass = rb_obj_class(self); if (klass == rb_eSystemCallError) { - rb_scan_args(argc, argv, "11", &mesg, &error); + st_data_t data = (st_data_t)klass; + rb_scan_args(argc, argv, "12", &mesg, &error, &func); if (argc == 1 && FIXNUM_P(mesg)) { error = mesg; mesg = Qnil; } - if (!NIL_P(error) && st_lookup(syserr_tbl, NUM2LONG(error), &klass)) { + if (!NIL_P(error) && st_lookup(syserr_tbl, NUM2LONG(error), &data)) { + klass = (VALUE)data; /* change class */ - if (TYPE(self) != T_OBJECT) { /* insurance to avoid type crash */ + if (!RB_TYPE_P(self, T_OBJECT)) { /* insurance to avoid type crash */ rb_raise(rb_eTypeError, "invalid instance type"); } - RBASIC(self)->klass = klass; + RBASIC_SET_CLASS(self, klass); } } else { - rb_scan_args(argc, argv, "01", &mesg); - error = rb_const_get(klass, rb_intern("Errno")); + rb_scan_args(argc, argv, "02", &mesg, &func); + error = rb_const_get(klass, id_Errno); } - if (!NIL_P(error)) err = strerror(NUM2LONG(error)); + if (!NIL_P(error)) err = strerror(NUM2INT(error)); else err = "unknown error"; + + errmsg = rb_enc_str_new_cstr(err, rb_locale_encoding()); if (!NIL_P(mesg)) { - VALUE str = mesg; - size_t len; + VALUE str = StringValue(mesg); - 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); + if (!NIL_P(func)) rb_str_catf(errmsg, " @ %"PRIsVALUE, func); + rb_str_catf(errmsg, " - %"PRIsVALUE, str); + OBJ_INFECT(errmsg, mesg); } + mesg = errmsg; + rb_call_super(1, &mesg); - rb_iv_set(self, "errno", error); + rb_ivar_set(self, id_errno, error); return self; } /* * call-seq: - * system_call_error.errno => fixnum + * system_call_error.errno -> integer * * Return this SystemCallError's error number. */ static VALUE -syserr_errno(self) - VALUE self; +syserr_errno(VALUE self) { - return rb_attr_get(self, rb_intern("errno")); + return rb_attr_get(self, id_errno); } /* * call-seq: - * system_call_error === other => true or false + * 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. + * if the error numbers +self+ and _other_ are the same. */ - static VALUE -syserr_eqq(self, exc) - VALUE self, exc; +syserr_eqq(VALUE self, VALUE exc) { VALUE num, e; - if (!rb_obj_is_kind_of(exc, rb_eSystemCallError)) return Qfalse; - if (self == rb_eSystemCallError) return Qtrue; + if (!rb_obj_is_kind_of(exc, rb_eSystemCallError)) { + if (!rb_respond_to(exc, id_errno)) return Qfalse; + } + else if (self == rb_eSystemCallError) return Qtrue; - num = rb_attr_get(exc, rb_intern("errno")); + num = rb_attr_get(exc, id_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")); + num = rb_funcallv(exc, id_errno, 0, 0); } - e = rb_const_get(self, rb_intern("Errno")); + e = rb_const_get(self, id_Errno); if (FIXNUM_P(num) ? num == e : rb_equal(num, e)) return Qtrue; return Qfalse; } + +/* + * Document-class: StandardError + * + * The most standard error types are subclasses of StandardError. A + * rescue clause without an explicit Exception class will rescue all + * StandardErrors (and only those). + * + * def foo + * raise "Oups" + * end + * foo rescue "Hello" #=> "Hello" + * + * On the other hand: + * + * require 'does/not/exist' rescue "Hi" + * + * <em>raises the exception:</em> + * + * LoadError: no such file to load -- does/not/exist + * + */ + +/* + * Document-class: SystemExit + * + * Raised by +exit+ to initiate the termination of the script. + */ + +/* + * Document-class: SignalException + * + * Raised when a signal is received. + * + * begin + * Process.kill('HUP',Process.pid) + * sleep # wait for receiver to handle signal sent by Process.kill + * rescue SignalException => e + * puts "received Exception #{e}" + * end + * + * <em>produces:</em> + * + * received Exception SIGHUP + */ + +/* + * Document-class: Interrupt + * + * Raised with the interrupt signal is received, typically because the + * user pressed on Control-C (on most posix platforms). As such, it is a + * subclass of +SignalException+. + * + * begin + * puts "Press ctrl-C when you get bored" + * loop {} + * rescue Interrupt => e + * puts "Note: You will typically use Signal.trap instead." + * end + * + * <em>produces:</em> + * + * Press ctrl-C when you get bored + * + * <em>then waits until it is interrupted with Control-C and then prints:</em> + * + * Note: You will typically use Signal.trap instead. + */ + +/* + * Document-class: TypeError + * + * Raised when encountering an object that is not of the expected type. + * + * [1, 2, 3].first("two") + * + * <em>raises the exception:</em> + * + * TypeError: no implicit conversion of String into Integer + * + */ + +/* + * Document-class: ArgumentError + * + * Raised when the arguments are wrong and there isn't a more specific + * Exception class. + * + * Ex: passing the wrong number of arguments + * + * [1, 2, 3].first(4, 5) + * + * <em>raises the exception:</em> + * + * ArgumentError: wrong number of arguments (given 2, expected 1) + * + * Ex: passing an argument that is not acceptable: + * + * [1, 2, 3].first(-4) + * + * <em>raises the exception:</em> + * + * ArgumentError: negative array size + */ + +/* + * Document-class: IndexError + * + * Raised when the given index is invalid. + * + * a = [:foo, :bar] + * a.fetch(0) #=> :foo + * a[4] #=> nil + * a.fetch(4) #=> IndexError: index 4 outside of array bounds: -2...2 + * + */ + +/* + * Document-class: KeyError + * + * Raised when the specified key is not found. It is a subclass of + * IndexError. + * + * h = {"foo" => :bar} + * h.fetch("foo") #=> :bar + * h.fetch("baz") #=> KeyError: key not found: "baz" + * + */ + +/* + * Document-class: RangeError + * + * Raised when a given numerical value is out of range. + * + * [1, 2, 3].drop(1 << 100) + * + * <em>raises the exception:</em> + * + * RangeError: bignum too big to convert into `long' + */ + +/* + * Document-class: ScriptError + * + * ScriptError is the superclass for errors raised when a script + * can not be executed because of a +LoadError+, + * +NotImplementedError+ or a +SyntaxError+. Note these type of + * +ScriptErrors+ are not +StandardError+ and will not be + * rescued unless it is specified explicitly (or its ancestor + * +Exception+). + */ + +/* + * Document-class: SyntaxError + * + * Raised when encountering Ruby code with an invalid syntax. + * + * eval("1+1=2") + * + * <em>raises the exception:</em> + * + * SyntaxError: (eval):1: syntax error, unexpected '=', expecting $end + */ + +/* + * Document-class: LoadError + * + * Raised when a file required (a Ruby script, extension library, ...) + * fails to load. + * + * require 'this/file/does/not/exist' + * + * <em>raises the exception:</em> + * + * LoadError: no such file to load -- this/file/does/not/exist + */ + /* - * 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. + * Document-class: NotImplementedError + * + * Raised when a feature is not implemented on the current platform. For + * example, methods depending on the +fsync+ or +fork+ system calls may + * raise this exception if the underlying operating system or Ruby + * runtime does not support them. + * + * Note that if +fork+ raises a +NotImplementedError+, then + * <code>respond_to?(:fork)</code> returns +false+. + */ + +/* + * Document-class: NameError + * + * Raised when a given name is invalid or undefined. + * + * puts foo + * + * <em>raises the exception:</em> + * + * NameError: undefined local variable or method `foo' for main:Object + * + * Since constant names must start with a capital: + * + * Integer.const_set :answer, 42 + * + * <em>raises the exception:</em> + * + * NameError: wrong constant name answer + */ + +/* + * Document-class: NoMethodError + * + * Raised when a method is called on a receiver which doesn't have it + * defined and also fails to respond with +method_missing+. + * + * "hello".to_ary + * + * <em>raises the exception:</em> + * + * NoMethodError: undefined method `to_ary' for "hello":String + */ + +/* + * Document-class: FrozenError + * + * Raised when there is an attempt to modify a frozen object. + * + * [1, 2, 3].freeze << 4 + * + * <em>raises the exception:</em> + * + * FrozenError: can't modify frozen Array + */ + +/* + * Document-class: RuntimeError + * + * A generic error class raised when an invalid operation is attempted. + * Kernel#raise will raise a RuntimeError if no Exception class is + * specified. + * + * raise "ouch" + * + * <em>raises the exception:</em> + * + * RuntimeError: ouch + */ + +/* + * Document-class: SecurityError + * + * Raised when attempting a potential unsafe operation, typically when + * the $SAFE level is raised above 0. + * + * foo = "bar" + * proc = Proc.new do + * $SAFE = 3 + * foo.untaint + * end + * proc.call + * + * <em>raises the exception:</em> + * + * SecurityError: Insecure: Insecure operation `untaint' at level 3 + */ + +/* + * Document-class: NoMemoryError + * + * Raised when memory allocation fails. + */ + +/* + * Document-class: SystemCallError + * + * SystemCallError is the base class for all low-level + * platform-dependent errors. + * + * The errors available on the current platform are subclasses of + * SystemCallError and are defined in the Errno module. + * + * File.open("does/not/exist") + * + * <em>raises the exception:</em> + * + * Errno::ENOENT: No such file or directory - does/not/exist + */ + +/* + * Document-class: EncodingError + * + * EncodingError is the base class for encoding errors. + */ + +/* + * Document-class: Encoding::CompatibilityError + * + * Raised by Encoding and String methods when the source encoding is + * incompatible with the target encoding. + */ + +/* + * Document-class: fatal + * + * fatal is an Exception that is raised when Ruby has encountered a fatal + * error and must exit. You are not able to rescue fatal. + */ + +/* + * Document-class: NameError::message + * :nodoc: + */ + +/* + * Descendants of class Exception are used to communicate between + * Kernel#raise and +rescue+ statements in <code>begin ... end</code> blocks. + * Exception objects carry information about the exception -- its type (the + * exception's class name), an optional descriptive string, and optional + * traceback information. Exception subclasses may add additional + * information like NameError#name. + * + * Programs may make subclasses of Exception, typically of StandardError or + * RuntimeError, to provide custom classes and add additional information. + * See the subclass list below for defaults for +raise+ and +rescue+. + * + * When an exception has been raised but not yet handled (in +rescue+, + * +ensure+, +at_exit+ and +END+ blocks) the global variable <code>$!</code> + * will contain the current exception and <code>$@</code> contains the + * current exception's backtrace. + * + * It is recommended that a library should have one subclass of StandardError + * or RuntimeError and have specific exception types inherit from it. This + * allows the user to rescue a generic exception type to catch all exceptions + * the library may raise even if future versions of the library add new + * exception subclasses. + * + * For example: + * + * class MyLibrary + * class Error < RuntimeError + * end + * + * class WidgetError < Error + * end + * + * class FrobError < Error + * end + * + * end + * + * To handle both WidgetError and FrobError the library user can rescue + * MyLibrary::Error. + * + * The built-in subclasses of Exception are: + * + * * NoMemoryError + * * ScriptError + * * LoadError + * * NotImplementedError + * * SyntaxError + * * SecurityError + * * SignalException + * * Interrupt + * * StandardError -- default for +rescue+ + * * ArgumentError + * * UncaughtThrowError + * * EncodingError + * * FiberError + * * IOError + * * EOFError + * * IndexError + * * KeyError + * * StopIteration + * * LocalJumpError + * * NameError + * * NoMethodError + * * RangeError + * * FloatDomainError + * * RegexpError + * * RuntimeError -- default for +raise+ + * * FrozenError + * * SystemCallError + * * Errno::* + * * ThreadError + * * TypeError + * * ZeroDivisionError + * * SystemExit + * * SystemStackError + * * fatal -- impossible to rescue */ void -Init_Exception() +Init_Exception(void) { rb_eException = rb_define_class("Exception", rb_cObject); rb_define_singleton_method(rb_eException, "exception", rb_class_new_instance, -1); + rb_define_singleton_method(rb_eException, "to_tty?", exc_s_to_tty_p, 0); rb_define_method(rb_eException, "exception", exc_exception, -1); rb_define_method(rb_eException, "initialize", exc_initialize, -1); + rb_define_method(rb_eException, "==", exc_equal, 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, "message", exc_message, 0); + rb_define_method(rb_eException, "full_message", exc_full_message, -1); rb_define_method(rb_eException, "inspect", exc_inspect, 0); rb_define_method(rb_eException, "backtrace", exc_backtrace, 0); + rb_define_method(rb_eException, "backtrace_locations", exc_backtrace_locations, 0); rb_define_method(rb_eException, "set_backtrace", exc_set_backtrace, 1); + rb_define_method(rb_eException, "cause", exc_cause, 0); rb_eSystemExit = rb_define_class("SystemExit", rb_eException); rb_define_method(rb_eSystemExit, "initialize", exit_initialize, -1); @@ -1008,28 +2352,42 @@ Init_Exception() 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_eKeyError = rb_define_class("KeyError", rb_eIndexError); + rb_define_method(rb_eKeyError, "receiver", key_err_receiver, 0); + rb_define_method(rb_eKeyError, "key", key_err_key, 0); rb_eRangeError = rb_define_class("RangeError", rb_eStandardError); + + rb_eScriptError = rb_define_class("ScriptError", rb_eException); + rb_eSyntaxError = rb_define_class("SyntaxError", rb_eScriptError); + rb_define_method(rb_eSyntaxError, "initialize", syntax_error_initialize, -1); + + rb_eLoadError = rb_define_class("LoadError", rb_eScriptError); + /* the path failed to load */ + rb_attr(rb_eLoadError, rb_intern_const("path"), 1, 0, Qfalse); + + rb_eNotImpError = rb_define_class("NotImplementedError", rb_eScriptError); + 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_define_method(rb_eNameError, "receiver", name_err_receiver, 0); + rb_define_method(rb_eNameError, "local_variables", name_err_local_variables, 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, "==", name_err_mesg_equal, 1); 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_method(rb_cNameErrorMesg, "_dump", name_err_mesg_dump, 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_define_method(rb_eNoMethodError, "private_call?", nometh_err_private_call_p, 0); rb_eRuntimeError = rb_define_class("RuntimeError", rb_eStandardError); - rb_eSecurityError = rb_define_class("SecurityError", rb_eStandardError); + rb_eFrozenError = rb_define_class("FrozenError", rb_eRuntimeError); + rb_eSecurityError = rb_define_class("SecurityError", rb_eException); rb_eNoMemError = rb_define_class("NoMemoryError", rb_eException); + rb_eEncodingError = rb_define_class("EncodingError", rb_eStandardError); + rb_eEncCompatError = rb_define_class_under(rb_cEncoding, "CompatibilityError", rb_eEncodingError); syserr_tbl = st_init_numtable(); rb_eSystemCallError = rb_define_class("SystemCallError", rb_eStandardError); @@ -1039,528 +2397,415 @@ Init_Exception() rb_mErrno = rb_define_module("Errno"); - rb_define_global_function("warn", rb_warn_m, 1); + rb_mWarning = rb_define_module("Warning"); + rb_define_method(rb_mWarning, "warn", rb_warning_s_warn, 1); + rb_extend_object(rb_mWarning, rb_mWarning); + + rb_cWarningBuffer = rb_define_class_under(rb_mWarning, "buffer", rb_cString); + rb_define_method(rb_cWarningBuffer, "write", warning_write, -1); + + rb_define_global_function("warn", rb_warn_m, -1); + + id_new = rb_intern_const("new"); + id_cause = rb_intern_const("cause"); + id_message = rb_intern_const("message"); + id_backtrace = rb_intern_const("backtrace"); + id_name = rb_intern_const("name"); + id_key = rb_intern_const("key"); + id_args = rb_intern_const("args"); + id_receiver = rb_intern_const("receiver"); + id_private_call_p = rb_intern_const("private_call?"); + id_local_variables = rb_intern_const("local_variables"); + id_Errno = rb_intern_const("Errno"); + id_errno = rb_intern_const("errno"); + id_i_path = rb_intern_const("@path"); + id_warn = rb_intern_const("warn"); + id_top = rb_intern_const("top"); + id_bottom = rb_intern_const("bottom"); + id_iseq = rb_make_internal_id(); +} + +void +rb_enc_raise(rb_encoding *enc, VALUE exc, const char *fmt, ...) +{ + va_list args; + VALUE mesg; + + va_start(args, fmt); + mesg = rb_enc_vsprintf(enc, fmt, args); + va_end(args); + + rb_exc_raise(rb_exc_new3(exc, mesg)); } 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]; + VALUE mesg; - va_init_list(args,fmt); - vsnprintf(buf, BUFSIZ, fmt, args); + va_start(args, fmt); + mesg = rb_vsprintf(fmt, args); va_end(args); - rb_exc_raise(rb_exc_new2(exc, buf)); + rb_exc_raise(rb_exc_new3(exc, mesg)); +} + +NORETURN(static void raise_loaderror(VALUE path, VALUE mesg)); + +static void +raise_loaderror(VALUE path, VALUE mesg) +{ + VALUE err = rb_exc_new3(rb_eLoadError, mesg); + rb_ivar_set(err, id_i_path, path); + rb_exc_raise(err); } 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]; + VALUE mesg; - va_init_list(args, fmt); - vsnprintf(buf, BUFSIZ, fmt, args); + va_start(args, fmt); + mesg = rb_enc_vsprintf(rb_locale_encoding(), fmt, args); va_end(args); - rb_exc_raise(rb_exc_new2(rb_eLoadError, buf)); + raise_loaderror(Qnil, mesg); } void -rb_notimplement() +rb_loaderror_with_path(VALUE path, const char *fmt, ...) +{ + va_list args; + VALUE mesg; + + va_start(args, fmt); + mesg = rb_enc_vsprintf(rb_locale_encoding(), fmt, args); + va_end(args); + raise_loaderror(path, mesg); +} + +void +rb_notimplement(void) { rb_raise(rb_eNotImpError, - "%s() function is unimplemented on this machine", - rb_id2name(ruby_frame->last_func)); + "%"PRIsVALUE"() function is unimplemented on this machine", + rb_id2str(rb_frame_this_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]; + VALUE mesg; - va_init_list(args, fmt); - vsnprintf(buf, BUFSIZ, fmt, args); + va_start(args, fmt); + mesg = rb_vsprintf(fmt, args); va_end(args); - ruby_in_eval = 0; - rb_exc_fatal(rb_exc_new2(rb_eFatal, buf)); + rb_exc_fatal(rb_exc_new3(rb_eFatal, mesg)); } -void -rb_sys_fail(mesg) - const char *mesg; +static VALUE +make_errno_exc(const char *mesg) { int n = errno; - VALUE arg; errno = 0; if (n == 0) { rb_bug("rb_sys_fail(%s) - errno == 0", mesg ? mesg : ""); } + return rb_syserr_new(n, mesg); +} + +static VALUE +make_errno_exc_str(VALUE mesg) +{ + int n = errno; + + errno = 0; + if (!mesg) mesg = Qnil; + if (n == 0) { + const char *s = !NIL_P(mesg) ? RSTRING_PTR(mesg) : ""; + rb_bug("rb_sys_fail_str(%s) - errno == 0", s); + } + return rb_syserr_new_str(n, mesg); +} +VALUE +rb_syserr_new(int n, const char *mesg) +{ + VALUE arg; arg = mesg ? rb_str_new2(mesg) : Qnil; - rb_exc_raise(rb_class_new_instance(1, &arg, get_syserr(n))); + return rb_syserr_new_str(n, arg); +} + +VALUE +rb_syserr_new_str(int n, VALUE arg) +{ + return 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 +rb_syserr_fail(int e, const char *mesg) +{ + rb_exc_raise(rb_syserr_new(e, mesg)); +} + +void +rb_syserr_fail_str(int e, VALUE mesg) +{ + rb_exc_raise(rb_syserr_new_str(e, mesg)); +} + +void +rb_sys_fail(const char *mesg) +{ + rb_exc_raise(make_errno_exc(mesg)); +} + +void +rb_sys_fail_str(VALUE mesg) +{ + rb_exc_raise(make_errno_exc_str(mesg)); +} + +#ifdef RUBY_FUNCTION_NAME_STRING +void +rb_sys_fail_path_in(const char *func_name, VALUE path) +{ + int n = errno; + + errno = 0; + rb_syserr_fail_path_in(func_name, n, path); +} + +void +rb_syserr_fail_path_in(const char *func_name, int n, VALUE path) +{ + VALUE args[2]; + + if (!path) path = Qnil; + if (n == 0) { + const char *s = !NIL_P(path) ? RSTRING_PTR(path) : ""; + if (!func_name) func_name = "(null)"; + rb_bug("rb_sys_fail_path_in(%s, %s) - errno == 0", + func_name, s); + } + args[0] = path; + args[1] = rb_str_new_cstr(func_name); + rb_exc_raise(rb_class_new_instance(2, args, get_syserr(n))); +} #endif + +void +rb_mod_sys_fail(VALUE mod, const char *mesg) { - char buf[BUFSIZ]; - va_list args; - int errno_save; - - errno_save = errno; + VALUE exc = make_errno_exc(mesg); + rb_extend_object(exc, mod); + rb_exc_raise(exc); +} - if (!RTEST(ruby_verbose)) return; +void +rb_mod_sys_fail_str(VALUE mod, VALUE mesg) +{ + VALUE exc = make_errno_exc_str(mesg); + rb_extend_object(exc, mod); + rb_exc_raise(exc); +} - 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_mod_syserr_fail(VALUE mod, int e, const char *mesg) +{ + VALUE exc = rb_syserr_new(e, mesg); + rb_extend_object(exc, mod); + rb_exc_raise(exc); } void -rb_load_fail(path) - const char *path; +rb_mod_syserr_fail_str(VALUE mod, int e, VALUE mesg) +{ + VALUE exc = rb_syserr_new_str(e, mesg); + rb_extend_object(exc, mod); + rb_exc_raise(exc); +} + +static void +syserr_warning(VALUE mesg, int err) { - rb_loaderror("%s -- %s", strerror(errno), path); + rb_str_set_len(mesg, RSTRING_LEN(mesg)-1); + rb_str_catf(mesg, ": %s\n", strerror(err)); + rb_write_warning_str(mesg); } +#if 0 void -rb_error_frozen(what) - const char *what; +rb_sys_warn(const char *fmt, ...) { - rb_raise(rb_eTypeError, "can't modify frozen %s", what); + if (!NIL_P(ruby_verbose)) { + int errno_save = errno; + with_warning_string(mesg, 0, fmt) { + syserr_warning(mesg, errno_save); + } + errno = errno_save; + } } void -rb_check_frozen(obj) - VALUE obj; +rb_syserr_warn(int err, const char *fmt, ...) { - if (OBJ_FROZEN(obj)) rb_error_frozen(rb_obj_classname(obj)); + if (!NIL_P(ruby_verbose)) { + with_warning_string(mesg, 0, fmt) { + syserr_warning(mesg, err); + } + } } void -Init_syserr() +rb_sys_enc_warn(rb_encoding *enc, const char *fmt, ...) { -#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"); + if (!NIL_P(ruby_verbose)) { + int errno_save = errno; + with_warning_string(mesg, enc, fmt) { + syserr_warning(mesg, errno_save); + } + errno = errno_save; + } +} + +void +rb_syserr_enc_warn(int err, rb_encoding *enc, const char *fmt, ...) +{ + if (!NIL_P(ruby_verbose)) { + with_warning_string(mesg, enc, fmt) { + syserr_warning(mesg, err); + } + } +} #endif + +void +rb_sys_warning(const char *fmt, ...) +{ + if (RTEST(ruby_verbose)) { + int errno_save = errno; + with_warning_string(mesg, 0, fmt) { + syserr_warning(mesg, errno_save); + } + errno = errno_save; + } } -static void -err_append(s) - const char *s; +#if 0 +void +rb_syserr_warning(int err, const char *fmt, ...) { - extern VALUE ruby_errinfo; + if (RTEST(ruby_verbose)) { + with_warning_string(mesg, 0, fmt) { + syserr_warning(mesg, err); + } + } +} +#endif - if (ruby_in_eval) { - if (NIL_P(ruby_errinfo)) { - ruby_errinfo = rb_exc_new2(rb_eSyntaxError, s); +void +rb_sys_enc_warning(rb_encoding *enc, const char *fmt, ...) +{ + if (RTEST(ruby_verbose)) { + int errno_save = errno; + with_warning_string(mesg, enc, fmt) { + syserr_warning(mesg, errno_save); } - else { - VALUE str = rb_obj_as_string(ruby_errinfo); + errno = errno_save; + } +} - rb_str_cat2(str, "\n"); - rb_str_cat2(str, s); - ruby_errinfo = rb_exc_new3(rb_eSyntaxError, str); +void +rb_syserr_enc_warning(int err, rb_encoding *enc, const char *fmt, ...) +{ + if (RTEST(ruby_verbose)) { + with_warning_string(mesg, enc, fmt) { + syserr_warning(mesg, err); } } +} + +void +rb_load_fail(VALUE path, const char *err) +{ + VALUE mesg = rb_str_buf_new_cstr(err); + rb_str_cat2(mesg, " -- "); + rb_str_append(mesg, path); /* should be ASCII compatible */ + raise_loaderror(path, mesg); +} + +void +rb_error_frozen(const char *what) +{ + rb_raise(rb_eFrozenError, "can't modify frozen %s", what); +} + +void +rb_error_frozen_object(VALUE frozen_obj) +{ + VALUE debug_info; + const ID created_info = id_debug_created_info; + + if (!NIL_P(debug_info = rb_attr_get(frozen_obj, created_info))) { + VALUE path = rb_ary_entry(debug_info, 0); + VALUE line = rb_ary_entry(debug_info, 1); + + rb_raise(rb_eFrozenError, "can't modify frozen %"PRIsVALUE", created at %"PRIsVALUE":%"PRIsVALUE, + CLASS_OF(frozen_obj), path, line); + } else { - rb_write_error(s); - rb_write_error("\n"); + rb_raise(rb_eFrozenError, "can't modify frozen %"PRIsVALUE, + CLASS_OF(frozen_obj)); } } + +#undef rb_check_frozen +void +rb_check_frozen(VALUE obj) +{ + rb_check_frozen_internal(obj); +} + +void +rb_error_untrusted(VALUE obj) +{ +} + +#undef rb_check_trusted +void +rb_check_trusted(VALUE obj) +{ +} + +void +rb_check_copyable(VALUE obj, VALUE orig) +{ + if (!FL_ABLE(obj)) return; + rb_check_frozen_internal(obj); + if (!FL_ABLE(orig)) return; + if ((~RBASIC(obj)->flags & RBASIC(orig)->flags) & FL_TAINT) { + if (rb_safe_level() > 0) { + rb_raise(rb_eSecurityError, "Insecure: can't modify %"PRIsVALUE, + RBASIC(obj)->klass); + } + } +} + +void +Init_syserr(void) +{ + rb_eNOERROR = set_syserr(0, "NOERROR"); +#define defined_error(name, num) set_syserr((num), (name)); +#define undefined_error(name) set_syserr(0, (name)); +#include "known_errors.inc" +#undef defined_error +#undef undefined_error +} + +/*! + * \} + */ |