SConscript revision 13098:e5f37a4dbbd0 
1# Copyright 2018 Google, Inc.
2#
3# Redistribution and use in source and binary forms, with or without
4# modification, are permitted provided that the following conditions are
5# met: redistributions of source code must retain the above copyright
6# notice, this list of conditions and the following disclaimer;
7# redistributions in binary form must reproduce the above copyright
8# notice, this list of conditions and the following disclaimer in the
9# documentation and/or other materials provided with the distribution;
10# neither the name of the copyright holders nor the names of its
11# contributors may be used to endorse or promote products derived from
12# this software without specific prior written permission.
13#
14# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25#
26# Authors: Gabe Black
27
28from __future__ import print_function
29
30Import('*')
31
32if env['USE_SYSTEMC']:
33
34    from gem5_scons import Transform
35
36    import os.path
37    import json
38
39    src = str(Dir('.').srcdir)
40
41    class SystemCTest(object):
42        def __init__(self, dirname, name):
43            self.name = name
44            self.reldir = os.path.relpath(dirname, src)
45            self.target = os.path.join(self.reldir, name)
46            self.sources = []
47
48            self.compile_only = False
49
50        def add_source(self, source):
51            self.sources.append(os.path.join(self.reldir, source))
52
53        def add_sources(self, sources):
54            for source in sources:
55                self.sources.append(os.path.join(self.reldir, '..', source))
56
57        def properties(self):
58            return {
59                'name' : self.name,
60                'path' : self.reldir,
61                'compile_only' : self.compile_only
62            }
63
64    ext_dir = Dir('..').Dir('ext')
65    test_dir = Dir('.')
66    class SystemCTestBin(Executable):
67        def __init__(self, test):
68            super(SystemCTestBin, self).__init__(test.target, *test.sources)
69
70        @classmethod
71        def declare_all(cls, env):
72            env = env.Clone()
73
74            # Turn off extra warnings and Werror for the tests.
75            to_remove = ['-Wall', '-Wundef', '-Wextra', '-Werror']
76            env['CCFLAGS'] = \
77                filter(lambda f: f not in to_remove, env['CCFLAGS'])
78
79            env.Append(CPPPATH=test_dir.Dir('include'))
80            env.Append(CPPPATH=ext_dir)
81
82            shared_lib_path = env['SHARED_LIB'][0].abspath
83            sl_dir, sl_base = os.path.split(shared_lib_path)
84            env.Append(LIBPATH=[sl_dir], LIBS=[sl_base])
85
86            super(SystemCTestBin, cls).declare_all(env)
87
88        def declare(self, env):
89            env = env.Clone()
90            sources = list(self.sources)
91            for f in self.filters:
92                sources = Source.all.apply_filter(f)
93            objs = self.srcs_to_objs(env, sources)
94            objs = objs + env['MAIN_OBJS']
95            relpath = os.path.relpath(
96                    env['SHARED_LIB'][0].dir.abspath,
97                    self.path(env).dir.abspath)
98            env.Append(LINKFLAGS=Split('-z origin'))
99            env.Append(RPATH=env.Literal(os.path.join('\\$$ORIGIN', relpath)))
100            return super(SystemCTestBin, self).declare(env, objs)
101
102    tests = []
103    def new_test(dirname, name):
104        test = SystemCTest(dirname, name)
105        tests.append(test)
106        return test
107
108
109    def scan_dir_for_tests(subdir):
110        def visitor(arg, dirname, names):
111            # If there's a 'DONTRUN' file in this directory, skip it and any
112            # child directories.
113            if 'DONTRUN' in names:
114                del names[:]
115                return
116
117            endswith = lambda sfx: filter(lambda n: n.endswith(sfx), names)
118
119            cpps = endswith('.cpp')
120            if not cpps:
121                return
122
123            # If there's only one source file, then that files name is the test
124            # name, and it's the source for that test.
125            if len(cpps) == 1:
126                cpp = cpps[0]
127
128                test = new_test(dirname, os.path.splitext(cpp)[0])
129                test.add_source(cpp)
130
131            # Otherwise, expect there to be a file that ends in .f. That files
132            # name is the test name, and it will list the source files with
133            # one preceeding path component.
134            else:
135                fs = endswith('.f')
136                if len(fs) != 1:
137                    print("In %s, expected 1 *.f file, but found %d.",
138                          dirname, len(fs))
139                    for f in fs:
140                        print(os.path.join(dirname, f))
141                    return
142                f = fs[0]
143
144                test = new_test(dirname, os.path.splitext(f)[0])
145                with open(os.path.join(dirname, f)) as content:
146                    lines = content.readlines
147                    # Get rid of leading and trailing whitespace.
148                    lines = map(lambda x: x.strip(), content.readlines())
149                    # Get rid of blank lines.
150                    lines = filter(lambda x: x, lines)
151                    # Add all the sources to this test.
152                    test.add_sources(lines)
153
154            if 'COMPILE' in names:
155                test.compile_only = True
156
157        subdir_src = Dir('.').srcdir.Dir(subdir)
158        os.path.walk(str(subdir_src), visitor, None)
159
160    scan_dir_for_tests('systemc')
161
162
163    def build_tests_json(target, source, env):
164        data = { test.target : test.properties() for test in tests }
165        with open(str(target[0]), "w") as tests_json:
166            json.dump(data, tests_json)
167
168    AlwaysBuild(env.Command(File('tests.json'), None,
169                MakeAction(build_tests_json, Transform("TESTJSON"))))
170
171
172    for test in tests:
173        SystemCTestBin(test)
174