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