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 super(SystemCTestBin, cls).declare_all(env)
83
84 def declare(self, env):
85 sources = list(self.sources)
86 for f in self.filters:
87 sources = Source.all.apply_filter(f)
88 objs = self.srcs_to_objs(env, sources)
89 objs = objs + env['SHARED_LIB'] + env['MAIN_OBJS']
90 return super(SystemCTestBin, self).declare(env, objs)
91
92 tests = []
93 def new_test(dirname, name):
94 test = SystemCTest(dirname, name)
95 tests.append(test)
96 return test
97
98
99 def scan_dir_for_tests(subdir):
100 def visitor(arg, dirname, names):
101 # If there's a 'DONTRUN' file in this directory, skip it and any
102 # child directories.
103 if 'DONTRUN' in names:
104 del names[:]
105 return
106
107 endswith = lambda sfx: filter(lambda n: n.endswith(sfx), names)
108
109 cpps = endswith('.cpp')
110 if not cpps:
111 return
112
113 # If there's only one source file, then that files name is the test
114 # name, and it's the source for that test.
115 if len(cpps) == 1:
116 cpp = cpps[0]
117
118 test = new_test(dirname, os.path.splitext(cpp)[0])
119 test.add_source(cpp)
120
121 # Otherwise, expect there to be a file that ends in .f. That files
122 # name is the test name, and it will list the source files with
123 # one preceeding path component.
124 else:
125 fs = endswith('.f')
126 if len(fs) != 1:
127 print("In %s, expected 1 *.f file, but found %d.",
128 dirname, len(fs))
129 for f in fs:
130 print(os.path.join(dirname, f))
131 return
132 f = fs[0]
133
134 test = new_test(dirname, os.path.splitext(f)[0])
135 with open(os.path.join(dirname, f)) as content:
136 lines = content.readlines
137 # Get rid of leading and trailing whitespace.
138 lines = map(lambda x: x.strip(), content.readlines())
139 # Get rid of blank lines.
140 lines = filter(lambda x: x, lines)
141 # Add all the sources to this test.
142 test.add_sources(lines)
143
144 if 'COMPILE' in names:
145 test.compile_only = True
146
147 subdir_src = Dir('.').srcdir.Dir(subdir)
148 os.path.walk(str(subdir_src), visitor, None)
149
150 scan_dir_for_tests('systemc')
151
152
153 def build_tests_json(target, source, env):
154 data = { test.target : test.properties() for test in tests }
155 with open(str(target[0]), "w") as tests_json:
156 json.dump(data, tests_json)
157
158 AlwaysBuild(env.Command(File('tests.json'), None,
159 MakeAction(build_tests_json, Transform("TESTJSON"))))
160
161
162 for test in tests:
163 SystemCTestBin(test)