# -*- 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 # Choose between lit's internal shell pipeline runner and a real shell. If # LIT_USE_INTERNAL_SHELL is in the environment, we use that as an override. use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL") if use_lit_shell: # 0 is external, "" is default, and everything else is internal. execute_external = (use_lit_shell == "0") else: # Otherwise we default to internal on Windows and external elsewhere, as # bash on Windows is usually very slow. execute_external = (not sys.platform in ['win32']) # 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. 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 execute_external: config.available_features.add('shell') # Exclude MSYS due to transforming '/' to 'X:/mingwroot/'. if not platform.system() in ['Windows'] or not execute_external: config.available_features.add('shell-preserves-root') # ANSI escape sequences in non-dumb terminal if platform.system() not in ['Windows']: config.available_features.add('ansi-escape-sequences') check_clang_tidy = os.path.join( config.test_source_root, "clang-tidy", "check_clang_tidy.py") config.substitutions.append( ('%check_clang_tidy', '%s %s' % (config.python_executable, check_clang_tidy)) ) clang_tidy_diff = os.path.join( config.test_source_root, "..", "clang-tidy", "tool", "clang-tidy-diff.py") config.substitutions.append( ('%clang_tidy_diff', '%s %s' % (config.python_executable, clang_tidy_diff)) )