objc.dg: New directory.

	* objc.dg: New directory.
	* objc.dg/dg.exp: New file.
	* objc.dg/alias.m: New.
	* objc.dg/class-1.m: New.
	* objc.dg/class-2.m: New.
	* objc.dg/const-str-1.m: New.
	* objc.dg/const-str-2.m: New.
	* objc.dg/id-1.m: New.
	* objc.dg/method-1.m: New.
	* objc.dg/super-class-1.m: New.
	* lib/objc-dg.exp: New file.

From-SVN: r43446

gcc/testsuite/ChangeLog

+2001-06-18  Stan Shebs  <shebs@apple.com>
+
+	* objc.dg: New directory.
+	* objc.dg/dg.exp: New file.
+	* objc.dg/alias.m: New.
+	* objc.dg/class-1.m: New.
+	* objc.dg/class-2.m: New.
+	* objc.dg/const-str-1.m: New.
+	* objc.dg/const-str-2.m: New.
+	* objc.dg/id-1.m: New.
+	* objc.dg/method-1.m: New.
+	* objc.dg/super-class-1.m: New.
+	* lib/objc-dg.exp: New file.
+
 2001-06-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
 
 	* g++.dg/mangle1.C: Modify regexp to test for `[: \t\n]' at end

gcc/testsuite/lib/objc-dg.exp

+#   Copyright (C) 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+
+load_lib dg.exp
+load_lib file-format.exp
+load_lib target-supports.exp
+load_lib scanasm.exp
+
+# For prune_gcc_output.
+load_lib gcc.exp
+
+if ![info exists TORTURE_OPTIONS] {
+    # It is theoretically beneficial to group all of the O2/O3 options together,
+    # as in many cases the compiler will generate identical executables for
+    # all of them--and the c-torture testsuite will skip testing identical
+    # executables multiple times.
+    # Also note that -finline-functions is explicitly included in one of the
+    # items below, even though -O3 is also specified, because some ports may
+    # choose to disable inlining functions by default, even when optimizing.
+    set TORTURE_OPTIONS [list \
+	{ -O0 } \
+	{ -O1 } \
+	{ -O2 } \
+	{ -O3 -fomit-frame-pointer } \
+	{ -O3 -fomit-frame-pointer -funroll-loops } \
+	{ -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions } \
+	{ -O3 -g } \
+	{ -Os } ]
+}
+
+
+# Split TORTURE_OPTIONS into two choices: one for testcases with loops and
+# one for testcases without loops.
+
+set torture_with_loops $TORTURE_OPTIONS
+set torture_without_loops ""
+foreach option $TORTURE_OPTIONS {
+    if ![string match "*loop*" $option] {
+	lappend torture_without_loops $option
+    }
+}
+
+# Define gcc callbacks for dg.exp.
+
+proc objc-dg-test { prog do_what extra_tool_flags } {
+    # Set up the compiler flags, based on what we're going to do.
+
+    switch $do_what {
+	"preprocess" {
+	    set compile_type "preprocess"
+	    set output_file "[file rootname [file tail $prog]].i"
+	}
+	"compile" {
+	    set compile_type "assembly"
+	    set output_file "[file rootname [file tail $prog]].s"
+	}
+	"assemble" {
+	    set compile_type "object"
+	    set output_file "[file rootname [file tail $prog]].o"
+	}
+	"link" {
+	    set compile_type "executable"
+	    set output_file "a.out"
+	    # The following line is needed for targets like the i960 where
+	    # the default output file is b.out.  Sigh.
+	}
+	"run" {
+	    set compile_type "executable"
+	    # FIXME: "./" is to cope with "." not being in $PATH.
+	    # Should this be handled elsewhere?
+	    # YES.
+	    set output_file "./a.out"
+	    # This is the only place where we care if an executable was
+	    # created or not.  If it was, dg.exp will try to run it.
+	    remote_file build delete $output_file;
+	}
+	default {
+	    perror "$do_what: not a valid dg-do keyword"
+	    return ""
+	}
+    }
+    set options ""
+    if { $extra_tool_flags != "" } {
+	lappend options "additional_flags=$extra_tool_flags"
+    }
+
+    set comp_output [objc_target_compile "$prog" "$output_file" "$compile_type" $options];
+
+    return [list $comp_output $output_file]
+}
+
+proc objc-dg-prune { system text } {
+    set text [prune_gcc_output $text]
+
+    # If we see "region xxx is full" then the testcase is too big for ram.
+    # This is tricky to deal with in a large testsuite like c-torture so
+    # deal with it here.  Just mark the testcase as unsupported.
+    if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $text] {
+	# The format here is important.  See dg.exp.
+	return "::unsupported::memory full"
+    }
+
+    return $text
+}
+
+# Utility routines.
+
+#
+# search_for -- looks for a string match in a file
+#
+proc search_for { file pattern } {
+    set fd [open $file r]
+    while { [gets $fd cur_line]>=0 } {
+	if [string match "*$pattern*" $cur_line] then {
+	    close $fd
+	    return 1
+	}
+    }
+    close $fd
+    return 0
+}
+
+# Modified dg-runtest that can cycle through a list of optimization options
+# as c-torture does.
+proc objc-dg-runtest { testcases default-extra-flags } {
+    global runtests
+
+    foreach test $testcases {
+	# If we're only testing specific files and this isn't one of 
+	# them, skip it.
+	if ![runtest_file_p $runtests $test] {
+	    continue
+        }
+
+	# Look for a loop within the source code - if we don't find one,
+	# don't pass -funroll[-all]-loops.
+	global torture_with_loops torture_without_loops
+	if [expr [search_for $test "for*("]+[search_for $test "while*("]] {
+	    set option_list $torture_with_loops
+	} else {
+	    set option_list $torture_without_loops
+	}
+
+	set nshort [file tail [file dirname $test]]/[file tail $test]
+
+	foreach flags $option_list {
+	    verbose "Testing $nshort, $flags" 1
+	    dg-test $test $flags ${default-extra-flags}
+	}
+    }
+}

gcc/testsuite/objc.dg/alias.m

+/* Test alias warnings.  */
+/* { dg-do compile } */
+
+@compatibility_alias class1 class2; /* { dg-warning "Cannot find class" } */
+
+@interface class3;
+@end
+
+@interface class4;
+@end
+
+@compatibility_alias class4 class3;  /* { dg-warning "Class" "already exists" } */

gcc/testsuite/objc.dg/class-1.m

+/* Redeclarations of class names.  */
+/* { dg-do compile } */
+
+typedef int foo;
+
+@class foo;  /* { dg-error "redeclared as different kind of symbol" } */
+/* { dg-error "previous declaration of" "" { target *-*-* } 4 } */
+
+typedef int bar;
+
+@interface bar
+@end  /* { dg-error "redeclared as different kind of symbol" } */
+/* { dg-error "previous declaration of" "" { target *-*-* } 9 } */
+
+int glob;
+
+@implementation glob
+@end  /* { dg-error "redeclared as different kind of symbol" } */
+/* { dg-error "previous declaration of" "" { target *-*-* } 15 } */
+/* { dg-warning "Cannot find interface declaration" "" { target *-*-* } 18 } */

gcc/testsuite/objc.dg/class-2.m

+/* Test super classes.  */
+/* { dg-do compile } */
+
+@interface supclass1
+@end
+
+@interface supclass2
+@end
+
+@interface class1 : supclass1
+@end
+
+@implementation class1 : supclass2
+@end  /* { dg-error "conflicting super class name" } */
+/* { dg-error "previous declaration" "" { target *-*-* } 14 } */

gcc/testsuite/objc.dg/const-str-1.m

+/* Test errors for constant strings.  */
+/* { dg-do compile } */
+/* { dg-options "-fgnu-runtime" } */
+
+int foo()
+{
+  baz(@"hiya");  /* { dg-error "Cannot find interface declaration" } */
+}
+
+@interface NXConstantString
+@end
+
+int bar()
+{
+  baz(@"howdah");
+}

gcc/testsuite/objc.dg/const-str-2.m

+/* Test the -fconstant-string-class flag error.  */
+/* { dg-do compile } */
+/* { dg-options "-fconstant-string-class" } */
+
+{ dg-error "no class name specified as argument to -fconstant-string-class" "" { target *-*-* } 0 }
+
+int foo () {}
+
+/* Seem bogus, should investigate some day.  */
+/* { dg-error "parse error" "" { target *-*-* } 5 } */

gcc/testsuite/objc.dg/dg.exp

+# GCC Objective-C testsuite that uses the `dg.exp' driver.
+#   Copyright (C) 1997, 2001 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+
+# Load support procs.
+load_lib objc-dg.exp
+
+# If a testcase doesn't have special options, use these.
+global DEFAULT_CFLAGS
+if ![info exists DEFAULT_CFLAGS] then {
+    set DEFAULT_CFLAGS ""
+}
+
+# Initialize `dg'.
+dg-init
+
+# Main loop.
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[m\]]] \
+	"" $DEFAULT_CFLAGS
+
+# All done.
+dg-finish

gcc/testsuite/objc.dg/id-1.m

+/* Test the id type warning.  */
+/* { dg-do compile } */
+
+typedef int id;
+
+id b; /* { dg-warning "Unexpected type for `id'" } */

gcc/testsuite/objc.dg/method-1.m

+/* Tests of duplication.  */
+/* { dg-do compile } */
+
+@interface class1
+- (int) meth1;
+- (void) meth1;  /* { dg-error "duplicate declaration of instance method" } */
+@end
+
+@interface class2
++ (void) meth1;
++ (int) meth1;  /* { dg-error "duplicate declaration of class method" } */
+@end
+
+@interface class3
+- (int) meth1;
+@end
+
+@implementation class3
+- (int) meth1 {}
+- (int) meth1 {}  /* { dg-error "duplicate definition of instance method" } */
+/* { dg-error "redefinition of" "" { target *-*-* } 20 } */
+/* { dg-error "previously defined here" "" { target *-*-* } 19 } */
+@end
+
+@interface class4
++ (void) meth1;
+@end
+
+@implementation class4
++ (void) meth1 {}
++ (void) meth1 {}  /* { dg-error "duplicate definition of class method" } */
+/* { dg-error "redefinition of" "" { target *-*-* } 31 } */
+/* { dg-error "previously defined here" "" { target *-*-* } 30 } */
+@end

gcc/testsuite/objc.dg/super-class-1.m

+/* Test super classes.  */
+/* { dg-do compile } */
+
+@interface class0 : supclass0
+@end  /* { dg-error "Cannot find interface declaration for .*, superclass" } */