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1class LitConfig:
2    """LitConfig - Configuration data for a 'lit' test runner instance, shared
3    across all tests.
4
5    The LitConfig object is also used to communicate with client configuration
6    files, it is always passed in as the global variable 'lit' so that
7    configuration files can access common functionality and internal components
8    easily.
9    """
10
11    # Provide access to Test module.
12    import Test
13
14    # Provide access to built-in formats.
15    import LitFormats as formats
16
17    # Provide access to built-in utility functions.
18    import Util as util
19
20    def __init__(self, progname, path, quiet,
21                 useValgrind, valgrindLeakCheck, valgrindArgs,
22                 useTclAsSh,
23                 noExecute, debug, isWindows,
24                 params):
25        # The name of the test runner.
26        self.progname = progname
27        # The items to add to the PATH environment variable.
28        self.path = list(map(str, path))
29        self.quiet = bool(quiet)
30        self.useValgrind = bool(useValgrind)
31        self.valgrindLeakCheck = bool(valgrindLeakCheck)
32        self.valgrindUserArgs = list(valgrindArgs)
33        self.useTclAsSh = bool(useTclAsSh)
34        self.noExecute = noExecute
35        self.debug = debug
36        self.isWindows = bool(isWindows)
37        self.params = dict(params)
38        self.bashPath = None
39
40        self.numErrors = 0
41        self.numWarnings = 0
42
43        self.valgrindArgs = []
44        self.valgrindTriple = ""
45        if self.useValgrind:
46            self.valgrindTriple = "-vg"
47            self.valgrindArgs = ['valgrind', '-q', '--run-libc-freeres=no',
48                                 '--tool=memcheck', '--trace-children=yes',
49                                 '--error-exitcode=123']
50            if self.valgrindLeakCheck:
51                self.valgrindTriple += "_leak"
52                self.valgrindArgs.append('--leak-check=full')
53            else:
54                # The default is 'summary'.
55                self.valgrindArgs.append('--leak-check=no')
56            self.valgrindArgs.extend(self.valgrindUserArgs)
57
58
59    def load_config(self, config, path):
60        """load_config(config, path) - Load a config object from an alternate
61        path."""
62        from TestingConfig import TestingConfig
63        return TestingConfig.frompath(path, config.parent, self,
64                                      mustExist = True,
65                                      config = config)
66
67    def getBashPath(self):
68        """getBashPath - Get the path to 'bash'"""
69        import os, Util
70
71        if self.bashPath is not None:
72            return self.bashPath
73
74        self.bashPath = Util.which('bash', os.pathsep.join(self.path))
75        if self.bashPath is None:
76            # Check some known paths.
77            for path in ('/bin/bash', '/usr/bin/bash', '/usr/local/bin/bash'):
78                if os.path.exists(path):
79                    self.bashPath = path
80                    break
81
82        if self.bashPath is None:
83            self.warning("Unable to find 'bash', running Tcl tests internally.")
84            self.bashPath = ''
85
86        return self.bashPath
87
88    def getToolsPath(self, dir, paths, tools):
89        import os, Util
90        if dir is not None and os.path.isabs(dir) and os.path.isdir(dir):
91            if not Util.checkToolsPath(dir, tools):
92                return None
93        else:
94            dir = Util.whichTools(tools, paths)
95
96        # bash
97        self.bashPath = Util.which('bash', dir)
98        if self.bashPath is None:
99            self.note("Unable to find 'bash.exe'.")
100            self.bashPath = ''
101
102        return dir
103
104    def _write_message(self, kind, message):
105        import inspect, os, sys
106
107        # Get the file/line where this message was generated.
108        f = inspect.currentframe()
109        # Step out of _write_message, and then out of wrapper.
110        f = f.f_back.f_back
111        file,line,_,_,_ = inspect.getframeinfo(f)
112        location = '%s:%d' % (os.path.basename(file), line)
113
114        print >>sys.stderr, '%s: %s: %s: %s' % (self.progname, location,
115                                                kind, message)
116
117    def note(self, message):
118        self._write_message('note', message)
119
120    def warning(self, message):
121        self._write_message('warning', message)
122        self.numWarnings += 1
123
124    def error(self, message):
125        self._write_message('error', message)
126        self.numErrors += 1
127
128    def fatal(self, message):
129        import sys
130        self._write_message('fatal', message)
131        sys.exit(2)
132