# Copyright (C) 2003-2023 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 3 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 GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

# This file was written by Gaius Mulley (gaius.mulley@southwales.ac.uk)
# for GNU Modula-2

load_lib file-format.exp
load_lib gm2.exp

set gm2_keep_executable 0

#
# gm2-simple-compile -- runs the compiler
#
# SRC is the full pathname of the testcase.
# OPTION is the specific compiler flag we're testing (eg: -O2).
#
proc gm2-simple-compile { src option } {
    global output
    global srcdir tmpdir
    global host_triplet

    set output "$tmpdir/[file tail [file rootname $src]].o"

    regsub "^$srcdir/?" $src "" testcase
    # If we couldn't rip $srcdir out of `src' then just do the best we can.
    # The point is to reduce the unnecessary noise in the logs.  Don't strip
    # out too much because different testcases with the same name can confuse
    # `test-tool'.
    if [string match "/*" $testcase] {
	set testcase "[file tail [file dirname $src]]/[file tail $src]"
    }

    verbose "Testing $testcase, $option" 1

    # Run the compiler and analyze the results.
    set options ""
    lappend options "additional_flags=$option"

    set comp_output [gm2_target_compile "$src" "$output" object $options];
    gm2_check_compile $testcase $option $output $comp_output
    remote_file build delete $output
    verbose "$comp_output" 1
}


#
# gm2-simple-execute -- utility to compile and execute a testcase
#
# SOURCES is a list of full pathnames to the test source files.
# The first filename in this list forms the "testcase".
#
# If the testcase has an associated .x file, we source that to run the
# test instead.  We use .x so that we don't lengthen the existing filename
# to more than 14 chars.
#
proc gm2-simple-execute { sources args option } {
    global tmpdir tool srcdir output compiler_conditional_xfail_data;
    global gm2_link_libraries;
    global gm2_link_path;
    global gm2_link_objects;
    global gm2_keep_executable;

    # Use the first source filename given as the filename under test.
    set src [lindex $sources 0];

    if { [llength $args] > 0 } {
	set additional_flags [lindex $args 0];
    } else {
	set additional_flags "";
    }
    # Check for alternate driver.
    if [file exists [file rootname $src].x] {
	verbose "Using alternate driver [file rootname [file tail $src]].x" 2
	set done_p 0;
	catch "set done_p \[source [file rootname $src].x\]"
	if { $done_p } {
	    return
	}
    }

    set executable $tmpdir/[file tail [file rootname $src].x];
    set objectfile $tmpdir/[file tail [file rootname $src].o];

    regsub "^$srcdir/?" $src "" testcase
    # If we couldn't rip $srcdir out of `src' then just do the best we can.
    # The point is to reduce the unnecessary noise in the logs.  Don't strip
    # out too much because different testcases with the same name can confuse
    # `test-tool'.
    if [string match "/*" $testcase] {
	set testcase "[file tail [file dirname $src]]/[file tail $src]"
    }

    set execname "${executable}";

    remote_file build delete $execname;
    verbose "Testing $testcase, $option" 1

    # start by setting options with option
    set options [concat "{additional_flags=$gm2_link_objects} " $option]
    # now append path -fno-libs=- and objects
    set options [concat "{additional_flags=$gm2_link_path} " $options]
    set options [concat "{additional_flags=-fno-libs=-} " $options]

    set comp_output [gm2_target_compile "${sources}" "${execname}" executable ${options}];

    if ![gm2_check_compile "${testcase} compilation" ${option} ${execname} $comp_output] {
	unresolved "${testcase} execution, ${option}"
	remote_file build delete $objectfile
	return 0
    }

    set result [gm2_load "$execname" "" ""]

    set status [lindex $result 0];
    set output [lindex $result 1];
    if { $status == "fail" } {
	${tool}_fail $testcase $option
	send_log "executed $execname with result $status"
    }
    if { $status == "pass" } {
	${tool}_pass $testcase $option
	# puts stderr $execname
	if { ! $gm2_keep_executable } {
	    remote_file build delete $execname;
	}
    }
    return 1
}