import sys
import lit.Test
-import lit.TestFormats
+import lit.formats
import lit.TestingConfig
-import lit.Util
+import lit.util
class LitConfig:
"""LitConfig - Configuration data for a 'lit' test runner instance, shared
Test = lit.Test
# Provide access to built-in formats.
- formats = lit.TestFormats
+ formats = lit.formats
# Provide access to built-in utility functions.
- util = lit.Util
+ util = lit.util
def __init__(self, progname, path, quiet,
useValgrind, valgrindLeakCheck, valgrindArgs,
if self.bashPath is not None:
return self.bashPath
- self.bashPath = lit.Util.which('bash', os.pathsep.join(self.path))
+ self.bashPath = lit.util.which('bash', os.pathsep.join(self.path))
if self.bashPath is None:
# Check some known paths.
for path in ('/bin/bash', '/usr/bin/bash', '/usr/local/bin/bash'):
def getToolsPath(self, dir, paths, tools):
if dir is not None and os.path.isabs(dir) and os.path.isdir(dir):
- if not lit.Util.checkToolsPath(dir, tools):
+ if not lit.util.checkToolsPath(dir, tools):
return None
else:
- dir = lit.Util.whichTools(tools, paths)
+ dir = lit.util.whichTools(tools, paths)
# bash
- self.bashPath = lit.Util.which('bash', dir)
+ self.bashPath = lit.util.which('bash', dir)
if self.bashPath is None:
self.note("Unable to find 'bash.exe'.")
self.bashPath = ''
from __future__ import absolute_import
import itertools
-import lit.Util
+import lit.util
from lit.ShCommands import Command, Pipeline, Seq
class ShLexer:
# Outside of a string, '\\' escapes everything.
self.eat()
if self.pos == self.end:
- lit.Util.warning(
+ lit.util.warning(
"escape at end of quoted argument in: %r" % self.data)
return str
str += self.eat()
# Inside a '"' quoted string, '\\' only escapes the quote
# character and backslash, otherwise it is preserved.
if self.pos == self.end:
- lit.Util.warning(
+ lit.util.warning(
"escape at end of quoted argument in: %r" % self.data)
return str
c = self.eat()
str += '\\' + c
else:
str += c
- lit.Util.warning("missing quote character in %r" % self.data)
+ lit.util.warning("missing quote character in %r" % self.data)
return str
def lex_arg_checked(self, c):
+++ /dev/null
-from __future__ import absolute_import
-import os
-import sys
-
-import lit.Test
-import lit.TestRunner
-import lit.Util
-
-kIsWindows = sys.platform in ['win32', 'cygwin']
-
-class GoogleTest(object):
- def __init__(self, test_sub_dir, test_suffix):
- self.test_sub_dir = os.path.normcase(str(test_sub_dir)).split(';')
- self.test_suffix = str(test_suffix)
-
- # On Windows, assume tests will also end in '.exe'.
- if kIsWindows:
- self.test_suffix += '.exe'
-
- def getGTestTests(self, path, litConfig, localConfig):
- """getGTestTests(path) - [name]
-
- Return the tests available in gtest executable.
-
- Args:
- path: String path to a gtest executable
- litConfig: LitConfig instance
- localConfig: TestingConfig instance"""
-
- try:
- lines = lit.Util.capture([path, '--gtest_list_tests'],
- env=localConfig.environment)
- lines = lines.decode('ascii')
- if kIsWindows:
- lines = lines.replace('\r', '')
- lines = lines.split('\n')
- except:
- litConfig.error("unable to discover google-tests in %r" % path)
- raise StopIteration
-
- nested_tests = []
- for ln in lines:
- if not ln.strip():
- continue
-
- prefix = ''
- index = 0
- while ln[index*2:index*2+2] == ' ':
- index += 1
- while len(nested_tests) > index:
- nested_tests.pop()
-
- ln = ln[index*2:]
- if ln.endswith('.'):
- nested_tests.append(ln)
- else:
- yield ''.join(nested_tests) + ln
-
- # Note: path_in_suite should not include the executable name.
- def getTestsInExecutable(self, testSuite, path_in_suite, execpath,
- litConfig, localConfig):
- if not execpath.endswith(self.test_suffix):
- return
- (dirname, basename) = os.path.split(execpath)
- # Discover the tests in this executable.
- for testname in self.getGTestTests(execpath, litConfig, localConfig):
- testPath = path_in_suite + (basename, testname)
- yield lit.Test.Test(testSuite, testPath, localConfig)
-
- def getTestsInDirectory(self, testSuite, path_in_suite,
- litConfig, localConfig):
- source_path = testSuite.getSourcePath(path_in_suite)
- for filename in os.listdir(source_path):
- filepath = os.path.join(source_path, filename)
- if os.path.isdir(filepath):
- # Iterate over executables in a directory.
- if not os.path.normcase(filename) in self.test_sub_dir:
- continue
- dirpath_in_suite = path_in_suite + (filename, )
- for subfilename in os.listdir(filepath):
- execpath = os.path.join(filepath, subfilename)
- for test in self.getTestsInExecutable(
- testSuite, dirpath_in_suite, execpath,
- litConfig, localConfig):
- yield test
- elif ('.' in self.test_sub_dir):
- for test in self.getTestsInExecutable(
- testSuite, path_in_suite, filepath,
- litConfig, localConfig):
- yield test
-
- def execute(self, test, litConfig):
- testPath,testName = os.path.split(test.getSourcePath())
- while not os.path.exists(testPath):
- # Handle GTest parametrized and typed tests, whose name includes
- # some '/'s.
- testPath, namePrefix = os.path.split(testPath)
- testName = os.path.join(namePrefix, testName)
-
- cmd = [testPath, '--gtest_filter=' + testName]
- if litConfig.useValgrind:
- cmd = litConfig.valgrindArgs + cmd
-
- if litConfig.noExecute:
- return lit.Test.PASS, ''
-
- out, err, exitCode = lit.TestRunner.executeCommand(
- cmd, env=test.config.environment)
-
- if not exitCode:
- return lit.Test.PASS,''
-
- return lit.Test.FAIL, out + err
-
-###
-
-class FileBasedTest(object):
- def getTestsInDirectory(self, testSuite, path_in_suite,
- litConfig, localConfig):
- source_path = testSuite.getSourcePath(path_in_suite)
- for filename in os.listdir(source_path):
- # Ignore dot files and excluded tests.
- if (filename.startswith('.') or
- filename in localConfig.excludes):
- continue
-
- filepath = os.path.join(source_path, filename)
- if not os.path.isdir(filepath):
- base,ext = os.path.splitext(filename)
- if ext in localConfig.suffixes:
- yield lit.Test.Test(testSuite, path_in_suite + (filename,),
- localConfig)
-
-class ShTest(FileBasedTest):
- def __init__(self, execute_external = False):
- self.execute_external = execute_external
-
- def execute(self, test, litConfig):
- return lit.TestRunner.executeShTest(test, litConfig,
- self.execute_external)
-
-###
-
-import re
-import tempfile
-
-class OneCommandPerFileTest:
- # FIXME: Refactor into generic test for running some command on a directory
- # of inputs.
-
- def __init__(self, command, dir, recursive=False,
- pattern=".*", useTempInput=False):
- if isinstance(command, str):
- self.command = [command]
- else:
- self.command = list(command)
- if dir is not None:
- dir = str(dir)
- self.dir = dir
- self.recursive = bool(recursive)
- self.pattern = re.compile(pattern)
- self.useTempInput = useTempInput
-
- def getTestsInDirectory(self, testSuite, path_in_suite,
- litConfig, localConfig):
- dir = self.dir
- if dir is None:
- dir = testSuite.getSourcePath(path_in_suite)
-
- for dirname,subdirs,filenames in os.walk(dir):
- if not self.recursive:
- subdirs[:] = []
-
- subdirs[:] = [d for d in subdirs
- if (d != '.svn' and
- d not in localConfig.excludes)]
-
- for filename in filenames:
- if (filename.startswith('.') or
- not self.pattern.match(filename) or
- filename in localConfig.excludes):
- continue
-
- path = os.path.join(dirname,filename)
- suffix = path[len(dir):]
- if suffix.startswith(os.sep):
- suffix = suffix[1:]
- test = lit.Test.Test(
- testSuite, path_in_suite + tuple(suffix.split(os.sep)),
- localConfig)
- # FIXME: Hack?
- test.source_path = path
- yield test
-
- def createTempInput(self, tmp, test):
- abstract
-
- def execute(self, test, litConfig):
- if test.config.unsupported:
- return (lit.Test.UNSUPPORTED, 'Test is unsupported')
-
- cmd = list(self.command)
-
- # If using temp input, create a temporary file and hand it to the
- # subclass.
- if self.useTempInput:
- tmp = tempfile.NamedTemporaryFile(suffix='.cpp')
- self.createTempInput(tmp, test)
- tmp.flush()
- cmd.append(tmp.name)
- elif hasattr(test, 'source_path'):
- cmd.append(test.source_path)
- else:
- cmd.append(test.getSourcePath())
-
- out, err, exitCode = lit.TestRunner.executeCommand(cmd)
-
- diags = out + err
- if not exitCode and not diags.strip():
- return lit.Test.PASS,''
-
- # Try to include some useful information.
- report = """Command: %s\n""" % ' '.join(["'%s'" % a
- for a in cmd])
- if self.useTempInput:
- report += """Temporary File: %s\n""" % tmp.name
- report += "--\n%s--\n""" % open(tmp.name).read()
- report += """Output:\n--\n%s--""" % diags
-
- return lit.Test.FAIL, report
import lit.ShUtil as ShUtil
import lit.Test as Test
-import lit.Util as Util
+import lit.util
class InternalShellError(Exception):
def __init__(self, command, message):
# Resolve the executable path ourselves.
args = list(j.args)
- args[0] = Util.which(args[0], cfg.environment['PATH'])
+ args[0] = lit.util.which(args[0], cfg.environment['PATH'])
if not args[0]:
raise InternalShellError(j, '%r: command not found' % j.args[0])
return (Test.PASS, '')
# Create the output directory if it does not already exist.
- Util.mkdir_p(os.path.dirname(tmpBase))
+ lit.util.mkdir_p(os.path.dirname(tmpBase))
if useExternalSh:
res = executeScript(test, litConfig, tmpBase, script, execdir)
+++ /dev/null
-import errno
-import itertools
-import math
-import os
-import subprocess
-import sys
-
-def detectCPUs():
- """
- Detects the number of CPUs on a system. Cribbed from pp.
- """
- # Linux, Unix and MacOS:
- if hasattr(os, "sysconf"):
- if "SC_NPROCESSORS_ONLN" in os.sysconf_names:
- # Linux & Unix:
- ncpus = os.sysconf("SC_NPROCESSORS_ONLN")
- if isinstance(ncpus, int) and ncpus > 0:
- return ncpus
- else: # OSX:
- return int(capture(['sysctl', '-n', 'hw.ncpu']))
- # Windows:
- if "NUMBER_OF_PROCESSORS" in os.environ:
- ncpus = int(os.environ["NUMBER_OF_PROCESSORS"])
- if ncpus > 0:
- return ncpus
- return 1 # Default
-
-def mkdir_p(path):
- """mkdir_p(path) - Make the "path" directory, if it does not exist; this
- will also make directories for any missing parent directories."""
- if not path or os.path.exists(path):
- return
-
- parent = os.path.dirname(path)
- if parent != path:
- mkdir_p(parent)
-
- try:
- os.mkdir(path)
- except OSError:
- e = sys.exc_info()[1]
- # Ignore EEXIST, which may occur during a race condition.
- if e.errno != errno.EEXIST:
- raise
-
-def capture(args, env=None):
- """capture(command) - Run the given command (or argv list) in a shell and
- return the standard output."""
- p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
- env=env)
- out,_ = p.communicate()
- return out
-
-def which(command, paths = None):
- """which(command, [paths]) - Look up the given command in the paths string
- (or the PATH environment variable, if unspecified)."""
-
- if paths is None:
- paths = os.environ.get('PATH','')
-
- # Check for absolute match first.
- if os.path.isfile(command):
- return command
-
- # Would be nice if Python had a lib function for this.
- if not paths:
- paths = os.defpath
-
- # Get suffixes to search.
- # On Cygwin, 'PATHEXT' may exist but it should not be used.
- if os.pathsep == ';':
- pathext = os.environ.get('PATHEXT', '').split(';')
- else:
- pathext = ['']
-
- # Search the paths...
- for path in paths.split(os.pathsep):
- for ext in pathext:
- p = os.path.join(path, command + ext)
- if os.path.exists(p):
- return p
-
- return None
-
-def checkToolsPath(dir, tools):
- for tool in tools:
- if not os.path.exists(os.path.join(dir, tool)):
- return False;
- return True;
-
-def whichTools(tools, paths):
- for path in paths.split(os.pathsep):
- if checkToolsPath(path, tools):
- return path
- return None
-
-def printHistogram(items, title = 'Items'):
- items.sort(key = lambda item: item[1])
-
- maxValue = max([v for _,v in items])
-
- # Select first "nice" bar height that produces more than 10 bars.
- power = int(math.ceil(math.log(maxValue, 10)))
- for inc in itertools.cycle((5, 2, 2.5, 1)):
- barH = inc * 10**power
- N = int(math.ceil(maxValue / barH))
- if N > 10:
- break
- elif inc == 1:
- power -= 1
-
- histo = [set() for i in range(N)]
- for name,v in items:
- bin = min(int(N * v/maxValue), N-1)
- histo[bin].add(name)
-
- barW = 40
- hr = '-' * (barW + 34)
- print('\nSlowest %s:' % title)
- print(hr)
- for name,value in items[-20:]:
- print('%.2fs: %s' % (value, name))
- print('\n%s Times:' % title)
- print(hr)
- pDigits = int(math.ceil(math.log(maxValue, 10)))
- pfDigits = max(0, 3-pDigits)
- if pfDigits:
- pDigits += pfDigits + 1
- cDigits = int(math.ceil(math.log(len(items), 10)))
- print("[%s] :: [%s] :: [%s]" % ('Range'.center((pDigits+1)*2 + 3),
- 'Percentage'.center(barW),
- 'Count'.center(cDigits*2 + 1)))
- print(hr)
- for i,row in enumerate(histo):
- pct = float(len(row)) / len(items)
- w = int(barW * pct)
- print("[%*.*fs,%*.*fs) :: [%s%s] :: [%*d/%*d]" % (
- pDigits, pfDigits, i*barH, pDigits, pfDigits, (i+1)*barH,
- '*'*w, ' '*(barW-w), cDigits, len(row), cDigits, len(items)))
-
__version__ = '.'.join(str(v) for v in __versioninfo__) + 'dev'
__all__ = []
+
+# Compatibility hacks for old names.
+from . import util as Util
+from . import formats as TestFormats
--- /dev/null
+from __future__ import absolute_import
+import os
+import sys
+
+import lit.Test
+import lit.TestRunner
+import lit.util
+
+kIsWindows = sys.platform in ['win32', 'cygwin']
+
+class GoogleTest(object):
+ def __init__(self, test_sub_dir, test_suffix):
+ self.test_sub_dir = os.path.normcase(str(test_sub_dir)).split(';')
+ self.test_suffix = str(test_suffix)
+
+ # On Windows, assume tests will also end in '.exe'.
+ if kIsWindows:
+ self.test_suffix += '.exe'
+
+ def getGTestTests(self, path, litConfig, localConfig):
+ """getGTestTests(path) - [name]
+
+ Return the tests available in gtest executable.
+
+ Args:
+ path: String path to a gtest executable
+ litConfig: LitConfig instance
+ localConfig: TestingConfig instance"""
+
+ try:
+ lines = lit.util.capture([path, '--gtest_list_tests'],
+ env=localConfig.environment)
+ lines = lines.decode('ascii')
+ if kIsWindows:
+ lines = lines.replace('\r', '')
+ lines = lines.split('\n')
+ except:
+ litConfig.error("unable to discover google-tests in %r" % path)
+ raise StopIteration
+
+ nested_tests = []
+ for ln in lines:
+ if not ln.strip():
+ continue
+
+ prefix = ''
+ index = 0
+ while ln[index*2:index*2+2] == ' ':
+ index += 1
+ while len(nested_tests) > index:
+ nested_tests.pop()
+
+ ln = ln[index*2:]
+ if ln.endswith('.'):
+ nested_tests.append(ln)
+ else:
+ yield ''.join(nested_tests) + ln
+
+ # Note: path_in_suite should not include the executable name.
+ def getTestsInExecutable(self, testSuite, path_in_suite, execpath,
+ litConfig, localConfig):
+ if not execpath.endswith(self.test_suffix):
+ return
+ (dirname, basename) = os.path.split(execpath)
+ # Discover the tests in this executable.
+ for testname in self.getGTestTests(execpath, litConfig, localConfig):
+ testPath = path_in_suite + (basename, testname)
+ yield lit.Test.Test(testSuite, testPath, localConfig)
+
+ def getTestsInDirectory(self, testSuite, path_in_suite,
+ litConfig, localConfig):
+ source_path = testSuite.getSourcePath(path_in_suite)
+ for filename in os.listdir(source_path):
+ filepath = os.path.join(source_path, filename)
+ if os.path.isdir(filepath):
+ # Iterate over executables in a directory.
+ if not os.path.normcase(filename) in self.test_sub_dir:
+ continue
+ dirpath_in_suite = path_in_suite + (filename, )
+ for subfilename in os.listdir(filepath):
+ execpath = os.path.join(filepath, subfilename)
+ for test in self.getTestsInExecutable(
+ testSuite, dirpath_in_suite, execpath,
+ litConfig, localConfig):
+ yield test
+ elif ('.' in self.test_sub_dir):
+ for test in self.getTestsInExecutable(
+ testSuite, path_in_suite, filepath,
+ litConfig, localConfig):
+ yield test
+
+ def execute(self, test, litConfig):
+ testPath,testName = os.path.split(test.getSourcePath())
+ while not os.path.exists(testPath):
+ # Handle GTest parametrized and typed tests, whose name includes
+ # some '/'s.
+ testPath, namePrefix = os.path.split(testPath)
+ testName = os.path.join(namePrefix, testName)
+
+ cmd = [testPath, '--gtest_filter=' + testName]
+ if litConfig.useValgrind:
+ cmd = litConfig.valgrindArgs + cmd
+
+ if litConfig.noExecute:
+ return lit.Test.PASS, ''
+
+ out, err, exitCode = lit.TestRunner.executeCommand(
+ cmd, env=test.config.environment)
+
+ if not exitCode:
+ return lit.Test.PASS,''
+
+ return lit.Test.FAIL, out + err
+
+###
+
+class FileBasedTest(object):
+ def getTestsInDirectory(self, testSuite, path_in_suite,
+ litConfig, localConfig):
+ source_path = testSuite.getSourcePath(path_in_suite)
+ for filename in os.listdir(source_path):
+ # Ignore dot files and excluded tests.
+ if (filename.startswith('.') or
+ filename in localConfig.excludes):
+ continue
+
+ filepath = os.path.join(source_path, filename)
+ if not os.path.isdir(filepath):
+ base,ext = os.path.splitext(filename)
+ if ext in localConfig.suffixes:
+ yield lit.Test.Test(testSuite, path_in_suite + (filename,),
+ localConfig)
+
+class ShTest(FileBasedTest):
+ def __init__(self, execute_external = False):
+ self.execute_external = execute_external
+
+ def execute(self, test, litConfig):
+ return lit.TestRunner.executeShTest(test, litConfig,
+ self.execute_external)
+
+###
+
+import re
+import tempfile
+
+class OneCommandPerFileTest:
+ # FIXME: Refactor into generic test for running some command on a directory
+ # of inputs.
+
+ def __init__(self, command, dir, recursive=False,
+ pattern=".*", useTempInput=False):
+ if isinstance(command, str):
+ self.command = [command]
+ else:
+ self.command = list(command)
+ if dir is not None:
+ dir = str(dir)
+ self.dir = dir
+ self.recursive = bool(recursive)
+ self.pattern = re.compile(pattern)
+ self.useTempInput = useTempInput
+
+ def getTestsInDirectory(self, testSuite, path_in_suite,
+ litConfig, localConfig):
+ dir = self.dir
+ if dir is None:
+ dir = testSuite.getSourcePath(path_in_suite)
+
+ for dirname,subdirs,filenames in os.walk(dir):
+ if not self.recursive:
+ subdirs[:] = []
+
+ subdirs[:] = [d for d in subdirs
+ if (d != '.svn' and
+ d not in localConfig.excludes)]
+
+ for filename in filenames:
+ if (filename.startswith('.') or
+ not self.pattern.match(filename) or
+ filename in localConfig.excludes):
+ continue
+
+ path = os.path.join(dirname,filename)
+ suffix = path[len(dir):]
+ if suffix.startswith(os.sep):
+ suffix = suffix[1:]
+ test = lit.Test.Test(
+ testSuite, path_in_suite + tuple(suffix.split(os.sep)),
+ localConfig)
+ # FIXME: Hack?
+ test.source_path = path
+ yield test
+
+ def createTempInput(self, tmp, test):
+ abstract
+
+ def execute(self, test, litConfig):
+ if test.config.unsupported:
+ return (lit.Test.UNSUPPORTED, 'Test is unsupported')
+
+ cmd = list(self.command)
+
+ # If using temp input, create a temporary file and hand it to the
+ # subclass.
+ if self.useTempInput:
+ tmp = tempfile.NamedTemporaryFile(suffix='.cpp')
+ self.createTempInput(tmp, test)
+ tmp.flush()
+ cmd.append(tmp.name)
+ elif hasattr(test, 'source_path'):
+ cmd.append(test.source_path)
+ else:
+ cmd.append(test.getSourcePath())
+
+ out, err, exitCode = lit.TestRunner.executeCommand(cmd)
+
+ diags = out + err
+ if not exitCode and not diags.strip():
+ return lit.Test.PASS,''
+
+ # Try to include some useful information.
+ report = """Command: %s\n""" % ' '.join(["'%s'" % a
+ for a in cmd])
+ if self.useTempInput:
+ report += """Temporary File: %s\n""" % tmp.name
+ report += "--\n%s--\n""" % open(tmp.name).read()
+ report += """Output:\n--\n%s--""" % diags
+
+ return lit.Test.FAIL, report
import lit.ProgressBar
import lit.LitConfig
import lit.Test
-import lit.Util
+import lit.util
import lit.discovery
# I haven't seen this bug occur with 2.5.2 and later, so only enable multiple
# threads by default there.
if sys.hexversion >= 0x2050200:
- opts.numThreads = lit.Util.detectCPUs()
+ opts.numThreads = lit.util.detectCPUs()
else:
opts.numThreads = 1
byTime = list(times.items())
byTime.sort(key = lambda item: item[1])
if byTime:
- lit.Util.printHistogram(byTime, title='Tests')
+ lit.util.printHistogram(byTime, title='Tests')
for name,code in (('Expected Passes ', lit.Test.PASS),
('Expected Failures ', lit.Test.XFAIL),
--- /dev/null
+import errno
+import itertools
+import math
+import os
+import subprocess
+import sys
+
+def detectCPUs():
+ """
+ Detects the number of CPUs on a system. Cribbed from pp.
+ """
+ # Linux, Unix and MacOS:
+ if hasattr(os, "sysconf"):
+ if "SC_NPROCESSORS_ONLN" in os.sysconf_names:
+ # Linux & Unix:
+ ncpus = os.sysconf("SC_NPROCESSORS_ONLN")
+ if isinstance(ncpus, int) and ncpus > 0:
+ return ncpus
+ else: # OSX:
+ return int(capture(['sysctl', '-n', 'hw.ncpu']))
+ # Windows:
+ if "NUMBER_OF_PROCESSORS" in os.environ:
+ ncpus = int(os.environ["NUMBER_OF_PROCESSORS"])
+ if ncpus > 0:
+ return ncpus
+ return 1 # Default
+
+def mkdir_p(path):
+ """mkdir_p(path) - Make the "path" directory, if it does not exist; this
+ will also make directories for any missing parent directories."""
+ if not path or os.path.exists(path):
+ return
+
+ parent = os.path.dirname(path)
+ if parent != path:
+ mkdir_p(parent)
+
+ try:
+ os.mkdir(path)
+ except OSError:
+ e = sys.exc_info()[1]
+ # Ignore EEXIST, which may occur during a race condition.
+ if e.errno != errno.EEXIST:
+ raise
+
+def capture(args, env=None):
+ """capture(command) - Run the given command (or argv list) in a shell and
+ return the standard output."""
+ p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+ env=env)
+ out,_ = p.communicate()
+ return out
+
+def which(command, paths = None):
+ """which(command, [paths]) - Look up the given command in the paths string
+ (or the PATH environment variable, if unspecified)."""
+
+ if paths is None:
+ paths = os.environ.get('PATH','')
+
+ # Check for absolute match first.
+ if os.path.isfile(command):
+ return command
+
+ # Would be nice if Python had a lib function for this.
+ if not paths:
+ paths = os.defpath
+
+ # Get suffixes to search.
+ # On Cygwin, 'PATHEXT' may exist but it should not be used.
+ if os.pathsep == ';':
+ pathext = os.environ.get('PATHEXT', '').split(';')
+ else:
+ pathext = ['']
+
+ # Search the paths...
+ for path in paths.split(os.pathsep):
+ for ext in pathext:
+ p = os.path.join(path, command + ext)
+ if os.path.exists(p):
+ return p
+
+ return None
+
+def checkToolsPath(dir, tools):
+ for tool in tools:
+ if not os.path.exists(os.path.join(dir, tool)):
+ return False;
+ return True;
+
+def whichTools(tools, paths):
+ for path in paths.split(os.pathsep):
+ if checkToolsPath(path, tools):
+ return path
+ return None
+
+def printHistogram(items, title = 'Items'):
+ items.sort(key = lambda item: item[1])
+
+ maxValue = max([v for _,v in items])
+
+ # Select first "nice" bar height that produces more than 10 bars.
+ power = int(math.ceil(math.log(maxValue, 10)))
+ for inc in itertools.cycle((5, 2, 2.5, 1)):
+ barH = inc * 10**power
+ N = int(math.ceil(maxValue / barH))
+ if N > 10:
+ break
+ elif inc == 1:
+ power -= 1
+
+ histo = [set() for i in range(N)]
+ for name,v in items:
+ bin = min(int(N * v/maxValue), N-1)
+ histo[bin].add(name)
+
+ barW = 40
+ hr = '-' * (barW + 34)
+ print('\nSlowest %s:' % title)
+ print(hr)
+ for name,value in items[-20:]:
+ print('%.2fs: %s' % (value, name))
+ print('\n%s Times:' % title)
+ print(hr)
+ pDigits = int(math.ceil(math.log(maxValue, 10)))
+ pfDigits = max(0, 3-pDigits)
+ if pfDigits:
+ pDigits += pfDigits + 1
+ cDigits = int(math.ceil(math.log(len(items), 10)))
+ print("[%s] :: [%s] :: [%s]" % ('Range'.center((pDigits+1)*2 + 3),
+ 'Percentage'.center(barW),
+ 'Count'.center(cDigits*2 + 1)))
+ print(hr)
+ for i,row in enumerate(histo):
+ pct = float(len(row)) / len(items)
+ w = int(barW * pct)
+ print("[%*.*fs,%*.*fs) :: [%s%s] :: [%*d/%*d]" % (
+ pDigits, pfDigits, i*barH, pDigits, pfDigits, (i+1)*barH,
+ '*'*w, ' '*(barW-w), cDigits, len(row), cDigits, len(items)))
+
projects / oota-llvm.git / commitdiff