test/lit.cfg - clang-tools-extra - Git at Google

 # -*- Python -*-

 import os
 import platform
 import re
 import subprocess

 import lit.formats
 import lit.util

 # Configuration file for the 'lit' test runner.

 # name: The name of this test suite.
 config.name = 'Clang Tools'

 # Tweak PATH for Win32
 if platform.system() == 'Windows':
     # Seek sane tools in directories and set to $PATH.
     path = getattr(config, 'lit_tools_dir', None)
     path = lit_config.getToolsPath(path,
                                    config.environment['PATH'],
                                    ['cmp.exe', 'grep.exe', 'sed.exe'])
     if path is not None:
         path = os.path.pathsep.join((path,
                                      config.environment['PATH']))
         config.environment['PATH'] = path

 # testFormat: The test format to use to interpret tests.
 #
 # For now we require '&&' between commands, until they get globally killed and
 # the test runner updated.
 execute_external = (platform.system() != 'Windows'
                     or lit_config.getBashPath() not in [None, ""])
 config.test_format = lit.formats.ShTest(execute_external)

 # suffixes: A list of file extensions to treat as test files.
 config.suffixes = ['.c', '.cpp', '.m', '.mm', '.cu', '.ll', '.cl', '.s', '.modularize', '.module-map-checker']

 # Test-time dependencies located in directories called 'Inputs' are excluded
 # from test suites; there won't be any lit tests within them.
 config.excludes = ['Inputs']

 # test_source_root: The root path where tests are located.
 config.test_source_root = os.path.dirname(__file__)

 # test_exec_root: The root path where tests should be run.
 clang_tools_binary_dir = getattr(config, 'clang_tools_binary_dir', None)
 if clang_tools_binary_dir is not None:
     config.test_exec_root = os.path.join(clang_tools_binary_dir, 'test')

 # Clear some environment variables that might affect Clang.
 #
 # This first set of vars are read by Clang, but shouldn't affect tests
 # that aren't specifically looking for these features, or are required
 # simply to run the tests at all.
 #
 # FIXME: Should we have a tool that enforces this?

 # safe_env_vars = ('TMPDIR', 'TEMP', 'TMP', 'USERPROFILE', 'PWD',
 #                  'MACOSX_DEPLOYMENT_TARGET', 'IPHONEOS_DEPLOYMENT_TARGET',
 #                  'IOS_SIMULATOR_DEPLOYMENT_TARGET',
 #                  'VCINSTALLDIR', 'VC100COMNTOOLS', 'VC90COMNTOOLS',
 #                  'VC80COMNTOOLS')
 possibly_dangerous_env_vars = ['COMPILER_PATH', 'RC_DEBUG_OPTIONS',
                                'CINDEXTEST_PREAMBLE_FILE', 'LIBRARY_PATH',
                                'CPATH', 'C_INCLUDE_PATH', 'CPLUS_INCLUDE_PATH',
                                'OBJC_INCLUDE_PATH', 'OBJCPLUS_INCLUDE_PATH',
                                'LIBCLANG_TIMING', 'LIBCLANG_OBJTRACKING',
                                'LIBCLANG_LOGGING', 'LIBCLANG_BGPRIO_INDEX',
                                'LIBCLANG_BGPRIO_EDIT', 'LIBCLANG_NOTHREADS',
                                'LIBCLANG_RESOURCE_USAGE',
                                'LIBCLANG_CODE_COMPLETION_LOGGING']
 # Clang/Win32 may refer to %INCLUDE%. vsvarsall.bat sets it.
 if platform.system() != 'Windows':
     possibly_dangerous_env_vars.append('INCLUDE')
 for name in possibly_dangerous_env_vars:
   if name in config.environment:
     del config.environment[name]

 # Tweak the PATH to include the tools dir and the scripts dir.
 if clang_tools_binary_dir is not None:
     clang_tools_dir = getattr(config, 'clang_tools_dir', None)
     if not clang_tools_dir:
         lit_config.fatal('No Clang tools dir set!')
     llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
     if not llvm_tools_dir:
         lit_config.fatal('No LLVM tools dir set!')
     path = os.path.pathsep.join((
             clang_tools_dir, llvm_tools_dir, config.environment['PATH']))
     config.environment['PATH'] = path

     llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
     if not llvm_libs_dir:
         lit_config.fatal('No LLVM libs dir set!')
     path = os.path.pathsep.join((llvm_libs_dir,
                                  config.environment.get('LD_LIBRARY_PATH','')))
     config.environment['LD_LIBRARY_PATH'] = path

 ###

 # Check that the object root is known.
 if config.test_exec_root is None:
     # Otherwise, we haven't loaded the site specific configuration (the user is
     # probably trying to run on a test file directly, and either the site
     # configuration hasn't been created by the build system, or we are in an
     # out-of-tree build situation).

     # Check for 'clang_site_config' user parameter, and use that if available.
     site_cfg = lit_config.params.get('clang_tools_extra_site_config', None)
     if site_cfg and os.path.exists(site_cfg):
         lit_config.load_config(config, site_cfg)
         raise SystemExit

     # Try to detect the situation where we are using an out-of-tree build by
     # looking for 'llvm-config'.
     #
     # FIXME: I debated (i.e., wrote and threw away) adding logic to
     # automagically generate the lit.site.cfg if we are in some kind of fresh
     # build situation. This means knowing how to invoke the build system though,
     # and I decided it was too much magic. We should solve this by just having
     # the .cfg files generated during the configuration step.

     llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
     if not llvm_config:
         lit_config.fatal('No site specific configuration available!')

     # Get the source and object roots.
     llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
     llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
     clang_src_root = os.path.join(llvm_src_root, "tools", "clang")
     clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang")

     clang_tools_extra_src_root = os.path.join(clang_src_root, "tools", "extra")
     clang_tools_extra_obj_root = os.path.join(clang_obj_root, "tools", "extra")
     # Validate that we got a tree which points to here, using the standard
     # tools/clang layout.
     this_src_root = os.path.dirname(config.test_source_root)
     if os.path.realpath(clang_tools_extra_src_root) != os.path.realpath(this_src_root):
         lit_config.fatal('No site specific configuration available!')

     # Check that the site specific configuration exists.
     site_cfg = os.path.join(clang_tools_extra_obj_root, 'test', 'lit.site.cfg')
     if not os.path.exists(site_cfg):
         lit_config.fatal(
             'No site specific configuration available! You may need to '
             'run "make test" in your Clang build directory.')

     # Okay, that worked. Notify the user of the automagic, and reconfigure.
     lit_config.note('using out-of-tree build at %r' % clang_obj_root)
     lit_config.load_config(config, site_cfg)
     raise SystemExit

 ###

 import os

 # When running under valgrind, we mangle '-vg' onto the end of the triple so we
 # can check it with XFAIL and XTARGET.
 if lit_config.useValgrind:
     config.target_triple += '-vg'

 ###

 # Set available features we allow tests to conditionalize on.
 #
 # As of 2011.08, crash-recovery tests still do not pass on FreeBSD.
 if platform.system() not in ['FreeBSD']:
     config.available_features.add('crash-recovery')

 # Shell execution
 if platform.system() not in ['Windows'] or lit_config.getBashPath() != '':
     config.available_features.add('shell')

 # ANSI escape sequences in non-dumb terminal
 if platform.system() not in ['Windows']:
     config.available_features.add('ansi-escape-sequences')

 config.substitutions.append( ('%python', config.python_executable) )

 import sys
 # Scripts using argparse need Python 2.7.
 if sys.version_info >= (2, 7):
   config.available_features.add('python27')
	# -- Python --

	import os
	import platform
	import re
	import subprocess

	import lit.formats
	import lit.util

	# Configuration file for the 'lit' test runner.

	# name: The name of this test suite.
	config.name = 'Clang Tools'

	# Tweak PATH for Win32
	if platform.system() == 'Windows':
	# Seek sane tools in directories and set to $PATH.
	path = getattr(config, 'lit_tools_dir', None)
	path = lit_config.getToolsPath(path,
	config.environment['PATH'],
	['cmp.exe', 'grep.exe', 'sed.exe'])
	if path is not None:
	path = os.path.pathsep.join((path,
	config.environment['PATH']))
	config.environment['PATH'] = path

	# testFormat: The test format to use to interpret tests.
	#
	# For now we require '&&' between commands, until they get globally killed and
	# the test runner updated.
	execute_external = (platform.system() != 'Windows'
	or lit_config.getBashPath() not in [None, ""])
	config.test_format = lit.formats.ShTest(execute_external)

	# suffixes: A list of file extensions to treat as test files.
	config.suffixes = ['.c', '.cpp', '.m', '.mm', '.cu', '.ll', '.cl', '.s', '.modularize', '.module-map-checker']

	# Test-time dependencies located in directories called 'Inputs' are excluded
	# from test suites; there won't be any lit tests within them.
	config.excludes = ['Inputs']

	# test_source_root: The root path where tests are located.
	config.test_source_root = os.path.dirname(__file__)

	# test_exec_root: The root path where tests should be run.
	clang_tools_binary_dir = getattr(config, 'clang_tools_binary_dir', None)
	if clang_tools_binary_dir is not None:
	config.test_exec_root = os.path.join(clang_tools_binary_dir, 'test')

	# Clear some environment variables that might affect Clang.
	#
	# This first set of vars are read by Clang, but shouldn't affect tests
	# that aren't specifically looking for these features, or are required
	# simply to run the tests at all.
	#
	# FIXME: Should we have a tool that enforces this?

	# safe_env_vars = ('TMPDIR', 'TEMP', 'TMP', 'USERPROFILE', 'PWD',
	# 'MACOSX_DEPLOYMENT_TARGET', 'IPHONEOS_DEPLOYMENT_TARGET',
	# 'IOS_SIMULATOR_DEPLOYMENT_TARGET',
	# 'VCINSTALLDIR', 'VC100COMNTOOLS', 'VC90COMNTOOLS',
	# 'VC80COMNTOOLS')
	possibly_dangerous_env_vars = ['COMPILER_PATH', 'RC_DEBUG_OPTIONS',
	'CINDEXTEST_PREAMBLE_FILE', 'LIBRARY_PATH',
	'CPATH', 'C_INCLUDE_PATH', 'CPLUS_INCLUDE_PATH',
	'OBJC_INCLUDE_PATH', 'OBJCPLUS_INCLUDE_PATH',
	'LIBCLANG_TIMING', 'LIBCLANG_OBJTRACKING',
	'LIBCLANG_LOGGING', 'LIBCLANG_BGPRIO_INDEX',
	'LIBCLANG_BGPRIO_EDIT', 'LIBCLANG_NOTHREADS',
	'LIBCLANG_RESOURCE_USAGE',
	'LIBCLANG_CODE_COMPLETION_LOGGING']
	# Clang/Win32 may refer to %INCLUDE%. vsvarsall.bat sets it.
	if platform.system() != 'Windows':
	possibly_dangerous_env_vars.append('INCLUDE')
	for name in possibly_dangerous_env_vars:
	if name in config.environment:
	del config.environment[name]

	# Tweak the PATH to include the tools dir and the scripts dir.
	if clang_tools_binary_dir is not None:
	clang_tools_dir = getattr(config, 'clang_tools_dir', None)
	if not clang_tools_dir:
	lit_config.fatal('No Clang tools dir set!')
	llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
	if not llvm_tools_dir:
	lit_config.fatal('No LLVM tools dir set!')
	path = os.path.pathsep.join((
	clang_tools_dir, llvm_tools_dir, config.environment['PATH']))
	config.environment['PATH'] = path

	llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
	if not llvm_libs_dir:
	lit_config.fatal('No LLVM libs dir set!')
	path = os.path.pathsep.join((llvm_libs_dir,
	config.environment.get('LD_LIBRARY_PATH','')))
	config.environment['LD_LIBRARY_PATH'] = path

	###

	# Check that the object root is known.
	if config.test_exec_root is None:
	# Otherwise, we haven't loaded the site specific configuration (the user is
	# probably trying to run on a test file directly, and either the site
	# configuration hasn't been created by the build system, or we are in an
	# out-of-tree build situation).

	# Check for 'clang_site_config' user parameter, and use that if available.
	site_cfg = lit_config.params.get('clang_tools_extra_site_config', None)
	if site_cfg and os.path.exists(site_cfg):
	lit_config.load_config(config, site_cfg)
	raise SystemExit

	# Try to detect the situation where we are using an out-of-tree build by
	# looking for 'llvm-config'.
	#
	# FIXME: I debated (i.e., wrote and threw away) adding logic to
	# automagically generate the lit.site.cfg if we are in some kind of fresh
	# build situation. This means knowing how to invoke the build system though,
	# and I decided it was too much magic. We should solve this by just having
	# the .cfg files generated during the configuration step.

	llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
	if not llvm_config:
	lit_config.fatal('No site specific configuration available!')

	# Get the source and object roots.
	llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
	llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
	clang_src_root = os.path.join(llvm_src_root, "tools", "clang")
	clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang")

	clang_tools_extra_src_root = os.path.join(clang_src_root, "tools", "extra")
	clang_tools_extra_obj_root = os.path.join(clang_obj_root, "tools", "extra")
	# Validate that we got a tree which points to here, using the standard
	# tools/clang layout.
	this_src_root = os.path.dirname(config.test_source_root)
	if os.path.realpath(clang_tools_extra_src_root) != os.path.realpath(this_src_root):
	lit_config.fatal('No site specific configuration available!')

	# Check that the site specific configuration exists.
	site_cfg = os.path.join(clang_tools_extra_obj_root, 'test', 'lit.site.cfg')
	if not os.path.exists(site_cfg):
	lit_config.fatal(
	'No site specific configuration available! You may need to '
	'run "make test" in your Clang build directory.')

	# Okay, that worked. Notify the user of the automagic, and reconfigure.
	lit_config.note('using out-of-tree build at %r' % clang_obj_root)
	lit_config.load_config(config, site_cfg)
	raise SystemExit

	###

	import os

	# When running under valgrind, we mangle '-vg' onto the end of the triple so we
	# can check it with XFAIL and XTARGET.
	if lit_config.useValgrind:
	config.target_triple += '-vg'

	###

	# Set available features we allow tests to conditionalize on.
	#
	# As of 2011.08, crash-recovery tests still do not pass on FreeBSD.
	if platform.system() not in ['FreeBSD']:
	config.available_features.add('crash-recovery')

	# Shell execution
	if platform.system() not in ['Windows'] or lit_config.getBashPath() != '':
	config.available_features.add('shell')

	# ANSI escape sequences in non-dumb terminal
	if platform.system() not in ['Windows']:
	config.available_features.add('ansi-escape-sequences')

	config.substitutions.append( ('%python', config.python_executable) )

	import sys
	# Scripts using argparse need Python 2.7.
	if sys.version_info >= (2, 7):
	config.available_features.add('python27')