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jeremybenn |
# Copyright 1997, 1998, 2004, 2005, 2007, 2008, 2009, 2010
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# Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see .
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# This file is part of the gdb testsuite.
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# tests for exception-handling support
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# Written by Satish Pai 1997-07-23
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# Rewritten by Michael Chastain 2004-01-08
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# This file used to have two copies of the tests with different
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# compiler flags for hp-ux. Instead, the user should set CXXOPTS
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# or run runtest with --target_board unix/gdb:debug_flags="..."
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# to choose the compiler flags.
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#
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# The interesting compiler flags are: "aCC +A -Wl,-a,-archive" .
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# Static-linked executables use a different mechanism to get the
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# address of the notification hook in the C++ support library.
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# TODO: this file has many absolute line numbers.
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# Replace them with gdb_get_line_number.
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set ws "\[\r\n\t \]+"
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set nl "\[\r\n\]+"
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if $tracelevel then {
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strace $tracelevel
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}
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if { [skip_stl_tests] } { continue }
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# On SPU this test fails because the executable exceeds local storage size.
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if { [istarget "spu*-*-*"] } {
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return 0
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}
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set testfile "exception"
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set srcfile ${testfile}.cc
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
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untested exception.exp
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return -1
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}
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# Start with a fresh gdb
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# Set a catch catchpoint
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gdb_test "catch catch" "Catchpoint \[0-9\]+ \\(catch\\)" \
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"catch catch (before inferior run)"
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# Set a throw catchpoint
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gdb_test "catch throw" "Catchpoint \[0-9\]+ \\(throw\\)" \
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"catch throw (before inferior run)"
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# The catchpoints should be listed in the list of breakpoints.
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# In case of a statically linked test, we won't have a pending breakpoint.
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# Hence we allow for both an address or "". If we ever become able
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# to tell whether the target is linked statically or not, we can be more
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# precise and require exact output.
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set addr "\(|$hex\)"
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set re_head "Num${ws}Type${ws}Disp${ws}Enb${ws}Address${ws}What"
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set re_2_bp "1${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception catch"
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set re_3_bp "2${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception throw"
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set name "info breakpoints (before inferior run)"
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gdb_test_multiple "info breakpoints" $name {
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-re "$re_head${ws}$re_2_bp${ws}$re_3_bp\r\n$gdb_prompt $" {
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pass $name
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}
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-re ".*$gdb_prompt $"
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{
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fail $name
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}
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}
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gdb_test "tbreak main" "Temporary breakpoint 3.*" \
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"Set temporary breakpoint at main"
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set ok 0
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gdb_run_cmd
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gdb_test_multiple "" "Run to main" {
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-re "Temporary breakpoint 3,.*$gdb_prompt $" {
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pass "Run to main"
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set ok 1
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}
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}
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if { !$ok } {
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continue
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}
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set addr "$hex"
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set re_head "Num${ws}Type${ws}Disp${ws}Enb${ws}Address${ws}What"
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set re_2_bp "1${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception catch"
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set re_3_bp "2${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception throw"
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set name "info breakpoints (after inferior run)"
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gdb_test_multiple "info breakpoints" $name {
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-re "$re_head${ws}$re_2_bp${ws}$re_3_bp\r\n$gdb_prompt $" {
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pass $name
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}
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-re ".*$gdb_prompt $"
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{
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send_user "\n---\n$expect_out(buffer)\n---\n"
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fail $name
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}
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}
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# Get the first exception thrown
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set name "continue to first throw"
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gdb_test_multiple "continue" $name {
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-re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception thrown\\), throw location.*${srcfile}:30, catch location .*${srcfile}:50\r\n$gdb_prompt $" {
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pass $name
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}
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-re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception thrown\\).*\r\n$gdb_prompt $" {
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pass $name
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}
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}
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# Backtrace from the throw point.
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# This should get to user code.
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set name "backtrace after first throw"
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gdb_test_multiple "backtrace" $name {
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-re ".*#\[0-9\]+.*\[\[:<:\]\]__cxa_throw\[\[:>:\]\].*#\[0-9\]+${ws}$hex in foo \\(i=20\\) at .*${srcfile}:\[0-9\]+\r\n#\[0-9\]+${ws}$hex in main \\(.*\\) at .*${srcfile}:\[0-9\]+\r\n$gdb_prompt $" {
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# Either __cxxabiv1::__cxa_throw or __cxa_throw can be printed
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# depending on debug info presence.
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pass $name
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}
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}
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# Continue to the catch.
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set name "continue to first catch"
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gdb_test_multiple "continue" $name {
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-re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\), throw location.*${srcfile}:30, catch location .*${srcfile}:50\r\n$gdb_prompt $" {
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pass $name
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}
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-re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\).*\r\n$gdb_prompt $" {
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pass $name
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}
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}
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# Backtrace from the catch point.
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# This should get to user code.
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set name "backtrace after first catch"
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gdb_test_multiple "backtrace" $name {
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-re ".*#\[0-9\]+.*\[\[:<:\]\]__cxa_begin_catch\[\[:>:\]\].*#\[0-9\]+${ws}$hex in main \\(.*\\) at .*$srcfile:\[0-9\]+\r\n$gdb_prompt $" {
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pass $name
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}
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}
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# Continue to second throw.
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set name "continue to second throw"
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gdb_test_multiple "continue" $name {
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-re "Continuing.${ws}Got an except 13${ws}Catchpoint \[0-9\]+ \\(exception thrown\\), throw location.*${srcfile}:30, catch location .*${srcfile}:58\r\n$gdb_prompt $" {
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pass $name
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}
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-re "Continuing.${ws}Got an except 13${ws}Catchpoint \[0-9\]+ \\(exception thrown\\).*\r\n$gdb_prompt $" {
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pass $name
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}
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}
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# Backtrace from the throw point.
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# This should get to user code.
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set name "backtrace after second throw"
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gdb_test_multiple "backtrace" $name {
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-re ".*#\[0-9\]+.*\[\[:<:\]\]__cxa_throw\[\[:>:\]\].*#\[0-9\]+${ws}$hex in foo \\(i=20\\) at .*${srcfile}:\[0-9\]+\r\n#\[0-9\]+${ws}$hex in main \\(.*\\) at .*${srcfile}:\[0-9\]+\r\n$gdb_prompt $" {
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pass $name
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}
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}
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# Continue to second catch.
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set name "continue to second catch"
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gdb_test_multiple "continue" $name {
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-re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\), throw location.*${srcfile}:30, catch location .*${srcfile}:58\r\n$gdb_prompt $" {
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pass $name
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}
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-re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\).*\r\n$gdb_prompt $" {
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pass $name
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}
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}
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# Backtrace from the catch point.
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# This should get to user code.
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set name "backtrace after second catch"
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gdb_test_multiple "backtrace" $name {
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-re ".*#\[0-9\]+.*\[\[:<:\]\]__cxa_begin_catch\[\[:>:\]\].*#\[0-9\]+${ws}$hex in main \\(.*\\) at .*$srcfile:\[0-9\]+\r\n$gdb_prompt $" {
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pass $name
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}
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}
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# That is all for now.
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#
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# The original code had:
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#
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# continue to re-throw ; backtrace
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# continue to catch ; backtrace
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# continue to throw out of main
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#
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# The problem is that "re-throw" does not show a throw; only a catch.
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# I do not know if this is because of a bug, or because the generated
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# code is optimized for a throw into the same function.
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#
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# -- chastain 2004-01-09
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