lit support for REQUIRES: asserts.
[oota-llvm.git] / utils / lit / lit / TestingConfig.py
1 import os
2
3 class TestingConfig:
4     """"
5     TestingConfig - Information on the tests inside a suite.
6     """
7
8     @staticmethod
9     def frompath(path, parent, litConfig, mustExist, config = None):
10         if config is None:
11             # Set the environment based on the command line arguments.
12             environment = {
13                 'LIBRARY_PATH' : os.environ.get('LIBRARY_PATH',''),
14                 'LD_LIBRARY_PATH' : os.environ.get('LD_LIBRARY_PATH',''),
15                 'PATH' : os.pathsep.join(litConfig.path +
16                                          [os.environ.get('PATH','')]),
17                 'PATHEXT' : os.environ.get('PATHEXT',''),
18                 'SYSTEMROOT' : os.environ.get('SYSTEMROOT',''),
19                 'LLVM_DISABLE_CRT_DEBUG' : '1',
20                 'PYTHONUNBUFFERED' : '1',
21                 }
22
23             config = TestingConfig(parent,
24                                    name = '<unnamed>',
25                                    suffixes = set(),
26                                    test_format = None,
27                                    environment = environment,
28                                    substitutions = [],
29                                    unsupported = False,
30                                    on_clone = None,
31                                    test_exec_root = None,
32                                    test_source_root = None,
33                                    excludes = [],
34                                    available_features = [])
35
36         if os.path.exists(path):
37             # FIXME: Improve detection and error reporting of errors in the
38             # config file.
39             f = open(path)
40             cfg_globals = dict(globals())
41             cfg_globals['config'] = config
42             cfg_globals['lit'] = litConfig
43             cfg_globals['__file__'] = path
44             try:
45                 exec f in cfg_globals
46             except SystemExit,status:
47                 # We allow normal system exit inside a config file to just
48                 # return control without error.
49                 if status.args:
50                     raise
51             f.close()
52         elif mustExist:
53             litConfig.fatal('unable to load config from %r ' % path)
54
55         config.finish(litConfig)
56         return config
57
58     def __init__(self, parent, name, suffixes, test_format,
59                  environment, substitutions, unsupported, on_clone,
60                  test_exec_root, test_source_root, excludes,
61                  available_features):
62         self.parent = parent
63         self.name = str(name)
64         self.suffixes = set(suffixes)
65         self.test_format = test_format
66         self.environment = dict(environment)
67         self.substitutions = list(substitutions)
68         self.unsupported = unsupported
69         self.on_clone = on_clone
70         self.test_exec_root = test_exec_root
71         self.test_source_root = test_source_root
72         self.excludes = set(excludes)
73         self.available_features = set(available_features)
74
75     def clone(self, path):
76         # FIXME: Chain implementations?
77         #
78         # FIXME: Allow extra parameters?
79         cfg = TestingConfig(self, self.name, self.suffixes, self.test_format,
80                             self.environment, self.substitutions,
81                             self.unsupported, self.on_clone,
82                             self.test_exec_root, self.test_source_root,
83                             self.excludes, self.available_features)
84         if cfg.on_clone:
85             cfg.on_clone(self, cfg, path)
86         return cfg
87
88     def finish(self, litConfig):
89         """finish() - Finish this config object, after loading is complete."""
90
91         self.name = str(self.name)
92         self.suffixes = set(self.suffixes)
93         self.environment = dict(self.environment)
94         self.substitutions = list(self.substitutions)
95         if self.test_exec_root is not None:
96             # FIXME: This should really only be suite in test suite config
97             # files. Should we distinguish them?
98             self.test_exec_root = str(self.test_exec_root)
99         if self.test_source_root is not None:
100             # FIXME: This should really only be suite in test suite config
101             # files. Should we distinguish them?
102             self.test_source_root = str(self.test_source_root)
103         self.excludes = set(self.excludes)