lit/lit.cfg - external/llvm.org/lldb - Git at Google

 # -*- Python -*-

 import os
 import platform
 import re
 import subprocess
 import locale

 import lit.formats
 import lit.util

 # Configuration file for the 'lit' test runner.

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

 # 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: We only support unit tests
 config.suffixes = []

 # 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.
 lldb_obj_root = getattr(config, 'lldb_obj_root', None)
 if lldb_obj_root is not None:
     config.test_exec_root = os.path.join(lldb_obj_root, 'lit')

 # Set llvm_{src,obj}_root for use by others.
 config.llvm_src_root = getattr(config, 'llvm_src_root', None)
 config.llvm_obj_root = getattr(config, 'llvm_obj_root', None)

 # Tweak the PATH to include the tools dir and the scripts dir.
 if lldb_obj_root is not None:
     lldb_tools_dir = getattr(config, 'lldb_tools_dir', None)
     if not lldb_tools_dir:
         lit_config.fatal('No LLDB 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((lldb_tools_dir, llvm_tools_dir, config.environment['PATH']))
     path = os.path.pathsep.join((os.path.join(getattr(config, 'llvm_src_root', None),'test','Scripts'),path))

     config.environment['PATH'] = path

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

     # Propagate LLVM_SRC_ROOT into the environment.
     config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '')

     # Propagate PYTHON_EXECUTABLE into the environment
     config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable',
                                                       '')
 ###

 # 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 'lldb_site_config' user parameter, and use that if available.
     site_cfg = lit_config.params.get('lldb_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()
     lldb_src_root = os.path.join(llvm_src_root, "tools", "lldb")
     lldb_obj_root = os.path.join(llvm_obj_root, "tools", "lldb")

     # Validate that we got a tree which points to here, using the standard
     # tools/lldb layout.
     this_src_root = os.path.dirname(config.test_source_root)
     if os.path.realpath(lldb_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(lldb_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 lldb build directory.')

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

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

 debugserver = lit.util.which('debugserver', lldb_tools_dir)
 lldb = lit.util.which('lldb', lldb_tools_dir)

 if not os.path.exists(config.cc):
     config.cc = lit.util.which(config.cc, config.environment['PATH'])

 if not os.path.exists(config.cxx):
     config.cxx = lit.util.which(config.cxx, config.environment['PATH'])

 if platform.system() in ['Darwin']:
     try:
         out = lit.util.capture(['xcrun', '--show-sdk-path']).strip()
         res = 0
     except OSError:
         res = -1
     if res == 0 and out:
         sdk_path = out
         lit_config.note('using SDKROOT: %r' % sdk_path)
         config.cc += " -isysroot %s" % sdk_path
         config.cxx += " -isysroot %s" % sdk_path

 config.substitutions.append(('%cc', config.cc))
 config.substitutions.append(('%cxx', config.cxx))

 config.substitutions.append(('%lldb', lldb))

 if debugserver is not None:
     config.substitutions.append(('%debugserver', debugserver))

 for pattern in [r"\bFileCheck\b",
                 r"\| \bnot\b"]:
     tool_match = re.match(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
                           pattern)
     tool_pipe = tool_match.group(2)
     tool_name = tool_match.group(4)
     tool_path = lit.util.which(tool_name, config.llvm_tools_dir)
     if not tool_path:
         # Warn, but still provide a substitution.
         lit_config.note(
             'Did not find ' + tool_name + ' in ' + config.llvm_tools_dir)
     config.substitutions.append((pattern, tool_pipe + tool_path))

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

 # Running on Darwin OS
 if platform.system() in ['Darwin']:
     config.available_features.add('darwin')
     config.available_features.add('system-linker-mach-o')

 # Running on ELF based *nix
 if platform.system() in ['FreeBSD', 'Linux']:
     config.available_features.add('system-linker-elf')
     if platform.system() in ['FreeBSD']:
         config.available_features.add('freebsd')
     else:
         config.available_features.add('linux')

 if platform.system() in ['Windows']:
     config.available_features.add('windows')

 if re.match(r'^arm(hf.*-linux)|(.*-linux-gnuabihf)', config.target_triple):
     config.available_features.add("armhf-linux")

 if re.match(r'icc', config.cc):
     config.available_features.add("compiler-icc")
 elif re.match(r'clang', config.cc):
     config.available_features.add("compiler-clang")
 elif re.match(r'gcc', config.cc):
     config.available_features.add("compiler-gcc")
 elif re.match(r'cl', config.cc):
     config.available_features.add("compiler-msvc")

 # llvm-config knows whether it is compiled with asserts (and)
 # whether we are operating in release/debug mode.
 import subprocess
 try:
     llvm_config_cmd = \
      subprocess.Popen([os.path.join(llvm_tools_dir, 'llvm-config'),
                      '--build-mode', '--assertion-mode', '--targets-built'],
                       stdout = subprocess.PIPE)
 except OSError as why:
     print("Could not find llvm-config in " + llvm_tools_dir)
     exit(42)

 llvm_config_output = llvm_config_cmd.stdout.read().decode('utf_8')
 llvm_config_output_list = llvm_config_output.split("\n")

 if re.search(r'DEBUG', llvm_config_output_list[0]):
     config.available_features.add('debug')
 if re.search(r'ON', llvm_config_output_list[1]):
     config.available_features.add('asserts')
 if re.search(r'ARM', llvm_config_output_list[2]):
     config.available_features.add('arm')
 if re.search(r'Mips', llvm_config_output_list[2]):
     config.available_features.add('mips')
 if re.search(r'X86', llvm_config_output_list[2]):
     config.available_features.add('x86')
 llvm_config_cmd.wait()
	# -- Python --

	import os
	import platform
	import re
	import subprocess
	import locale

	import lit.formats
	import lit.util

	# Configuration file for the 'lit' test runner.

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

	# 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: We only support unit tests
	config.suffixes = []

	# 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.
	lldb_obj_root = getattr(config, 'lldb_obj_root', None)
	if lldb_obj_root is not None:
	config.test_exec_root = os.path.join(lldb_obj_root, 'lit')

	# Set llvm_{src,obj}_root for use by others.
	config.llvm_src_root = getattr(config, 'llvm_src_root', None)
	config.llvm_obj_root = getattr(config, 'llvm_obj_root', None)

	# Tweak the PATH to include the tools dir and the scripts dir.
	if lldb_obj_root is not None:
	lldb_tools_dir = getattr(config, 'lldb_tools_dir', None)
	if not lldb_tools_dir:
	lit_config.fatal('No LLDB 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((lldb_tools_dir, llvm_tools_dir, config.environment['PATH']))
	path = os.path.pathsep.join((os.path.join(getattr(config, 'llvm_src_root', None),'test','Scripts'),path))

	config.environment['PATH'] = path

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

	# Propagate LLVM_SRC_ROOT into the environment.
	config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '')

	# Propagate PYTHON_EXECUTABLE into the environment
	config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable',
	'')
	###

	# 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 'lldb_site_config' user parameter, and use that if available.
	site_cfg = lit_config.params.get('lldb_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()
	lldb_src_root = os.path.join(llvm_src_root, "tools", "lldb")
	lldb_obj_root = os.path.join(llvm_obj_root, "tools", "lldb")

	# Validate that we got a tree which points to here, using the standard
	# tools/lldb layout.
	this_src_root = os.path.dirname(config.test_source_root)
	if os.path.realpath(lldb_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(lldb_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 lldb build directory.')

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

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

	debugserver = lit.util.which('debugserver', lldb_tools_dir)
	lldb = lit.util.which('lldb', lldb_tools_dir)

	if not os.path.exists(config.cc):
	config.cc = lit.util.which(config.cc, config.environment['PATH'])

	if not os.path.exists(config.cxx):
	config.cxx = lit.util.which(config.cxx, config.environment['PATH'])

	if platform.system() in ['Darwin']:
	try:
	out = lit.util.capture(['xcrun', '--show-sdk-path']).strip()
	res = 0
	except OSError:
	res = -1
	if res == 0 and out:
	sdk_path = out
	lit_config.note('using SDKROOT: %r' % sdk_path)
	config.cc += " -isysroot %s" % sdk_path
	config.cxx += " -isysroot %s" % sdk_path

	config.substitutions.append(('%cc', config.cc))
	config.substitutions.append(('%cxx', config.cxx))

	config.substitutions.append(('%lldb', lldb))

	if debugserver is not None:
	config.substitutions.append(('%debugserver', debugserver))

	for pattern in [r"\bFileCheck\b",
	r"\\| \bnot\b"]:
	tool_match = re.match(r"^(\\)?((\\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
	pattern)
	tool_pipe = tool_match.group(2)
	tool_name = tool_match.group(4)
	tool_path = lit.util.which(tool_name, config.llvm_tools_dir)
	if not tool_path:
	# Warn, but still provide a substitution.
	lit_config.note(
	'Did not find ' + tool_name + ' in ' + config.llvm_tools_dir)
	config.substitutions.append((pattern, tool_pipe + tool_path))

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

	# Running on Darwin OS
	if platform.system() in ['Darwin']:
	config.available_features.add('darwin')
	config.available_features.add('system-linker-mach-o')

	# Running on ELF based *nix
	if platform.system() in ['FreeBSD', 'Linux']:
	config.available_features.add('system-linker-elf')
	if platform.system() in ['FreeBSD']:
	config.available_features.add('freebsd')
	else:
	config.available_features.add('linux')

	if platform.system() in ['Windows']:
	config.available_features.add('windows')

	if re.match(r'^arm(hf.-linux)\|(.-linux-gnuabihf)', config.target_triple):
	config.available_features.add("armhf-linux")

	if re.match(r'icc', config.cc):
	config.available_features.add("compiler-icc")
	elif re.match(r'clang', config.cc):
	config.available_features.add("compiler-clang")
	elif re.match(r'gcc', config.cc):
	config.available_features.add("compiler-gcc")
	elif re.match(r'cl', config.cc):
	config.available_features.add("compiler-msvc")

	# llvm-config knows whether it is compiled with asserts (and)
	# whether we are operating in release/debug mode.
	import subprocess
	try:
	llvm_config_cmd = \
	subprocess.Popen([os.path.join(llvm_tools_dir, 'llvm-config'),
	'--build-mode', '--assertion-mode', '--targets-built'],
	stdout = subprocess.PIPE)
	except OSError as why:
	print("Could not find llvm-config in " + llvm_tools_dir)
	exit(42)

	llvm_config_output = llvm_config_cmd.stdout.read().decode('utf_8')
	llvm_config_output_list = llvm_config_output.split("\n")

	if re.search(r'DEBUG', llvm_config_output_list[0]):
	config.available_features.add('debug')
	if re.search(r'ON', llvm_config_output_list[1]):
	config.available_features.add('asserts')
	if re.search(r'ARM', llvm_config_output_list[2]):
	config.available_features.add('arm')
	if re.search(r'Mips', llvm_config_output_list[2]):
	config.available_features.add('mips')
	if re.search(r'X86', llvm_config_output_list[2]):
	config.available_features.add('x86')
	llvm_config_cmd.wait()