diff options
-rw-r--r-- | ragel.BUILD | 193 | ||||
-rw-r--r-- | staleness_test.py | 30 | ||||
-rw-r--r-- | staleness_test_lib.py | 158 |
3 files changed, 381 insertions, 0 deletions
diff --git a/ragel.BUILD b/ragel.BUILD new file mode 100644 index 0000000..5485fab --- /dev/null +++ b/ragel.BUILD @@ -0,0 +1,193 @@ + +package( + default_visibility = ["//visibility:public"], +) + +cc_binary( + name = "ragel", + srcs = [ + "ragel/rubycodegen.cpp", + "ragel/goipgoto.h", + "ragel/cdtable.h", + "ragel/rubycodegen.h", + "ragel/gotable.h", + "ragel/gocodegen.cpp", + "ragel/rubyfflat.cpp", + "ragel/common.cpp", + "ragel/gofflat.cpp", + "ragel/cdtable.cpp", + "ragel/cdsplit.cpp", + "ragel/rlparse.cpp", + "ragel/csfgoto.cpp", + "ragel/javacodegen.cpp", + "ragel/gocodegen.h", + "ragel/mlgoto.cpp", + "ragel/fsmgraph.cpp", + "ragel/version.h", + "ragel/mlfflat.h", + "ragel/fsmgraph.h", + "ragel/fsmbase.cpp", + "ragel/fsmstate.cpp", + "ragel/gotablish.cpp", + "ragel/rubyflat.cpp", + "ragel/cdfgoto.h", + "ragel/cscodegen.h", + "ragel/mlflat.cpp", + "ragel/rubyflat.h", + "ragel/goftable.h", + "ragel/rbxgoto.cpp", + "ragel/csfflat.cpp", + "ragel/gofgoto.cpp", + "ragel/gofgoto.h", + "ragel/ragel.h", + "ragel/goftable.cpp", + "ragel/cdcodegen.cpp", + "ragel/rlparse.h", + "ragel/cdsplit.h", + "ragel/xmlcodegen.cpp", + "ragel/goipgoto.cpp", + "ragel/dotcodegen.h", + "ragel/gogoto.cpp", + "ragel/csflat.h", + "ragel/csfflat.h", + #"ragel/config.h.in", + "ragel/csipgoto.cpp", + "ragel/mltable.cpp", + "ragel/mlflat.h", + "ragel/csftable.cpp", + "ragel/cdgoto.h", + "ragel/goflat.cpp", + "ragel/rubyfflat.h", + "ragel/mlftable.h", + "ragel/rubyftable.h", + "ragel/fsmap.cpp", + "ragel/redfsm.cpp", + "ragel/goflat.h", + "ragel/parsetree.cpp", + "ragel/fsmmin.cpp", + "ragel/dotcodegen.cpp", + "ragel/redfsm.h", + "ragel/mlcodegen.cpp", + "ragel/cdfgoto.cpp", + "ragel/cssplit.cpp", + "ragel/cstable.cpp", + "ragel/javacodegen.h", + "ragel/parsedata.cpp", + "ragel/buffer.h", + "ragel/gogoto.h", + "ragel/csgoto.h", + "ragel/pcheck.h", + "ragel/rubyftable.cpp", + "ragel/csfgoto.h", + "ragel/common.h", + "ragel/cdftable.h", + "ragel/mlgoto.h", + "ragel/csgoto.cpp", + "ragel/cdflat.h", + "ragel/cdipgoto.h", + "ragel/cstable.h", + "ragel/gendata.h", + "ragel/cdfflat.cpp", + "ragel/gotable.cpp", + "ragel/cdcodegen.h", + "ragel/gendata.cpp", + "ragel/rubytable.h", + "ragel/csflat.cpp", + "ragel/inputdata.h", + "ragel/inputdata.cpp", + "ragel/rubytable.cpp", + "ragel/fsmattach.cpp", + "ragel/csipgoto.h", + "ragel/cscodegen.cpp", + "ragel/cdfflat.h", + "ragel/rbxgoto.h", + "ragel/xmlcodegen.h", + "ragel/gofflat.h", + "ragel/parsedata.h", + "ragel/mlfgoto.h", + "ragel/cdflat.cpp", + "ragel/config.h", + "ragel/rlscan.cpp", + "ragel/mlcodegen.h", + "ragel/mlfflat.cpp", + "ragel/mlftable.cpp", + "ragel/mltable.h", + "ragel/cdipgoto.cpp", + "ragel/cdftable.cpp", + "ragel/parsetree.h", + "ragel/rlscan.h", + "ragel/main.cpp", + "ragel/cssplit.h", + "ragel/mlfgoto.cpp", + "ragel/csftable.h", + "ragel/gotablish.h", + "ragel/cdgoto.cpp", + "aapl/avlmelkey.h", + "aapl/dlistmel.h", + "aapl/avliset.h", + "aapl/avlkeyless.h", + "aapl/sbstset.h", + "aapl/sbsttable.h", + "aapl/quicksort.h", + "aapl/avlitree.h", + "aapl/avlcommon.h", + "aapl/bstset.h", + "aapl/avlmel.h", + "aapl/insertsort.h", + "aapl/dlist.h", + "aapl/avlmap.h", + "aapl/mergesort.h", + "aapl/resize.h", + "aapl/bstcommon.h", + "aapl/bstmap.h", + "aapl/compare.h", + "aapl/svector.h", + "aapl/avlset.h", + "aapl/bsttable.h", + "aapl/avlikeyless.h", + "aapl/bubblesort.h", + "aapl/table.h", + "aapl/avlbasic.h", + "aapl/vector.h", + "aapl/avlimap.h", + "aapl/dlistval.h", + "aapl/dlcommon.h", + "aapl/avlibasic.h", + "aapl/sbstmap.h", + "aapl/avlimel.h", + "aapl/avlimelkey.h", + "aapl/avltree.h", + ], + includes = ["ragel", "aapl"], +) + +config_h_contents = """ +#define PACKAGE "ragel" + +/* Define to the address where bug reports for this package should be sent. */ +#define PACKAGE_BUGREPORT "" + +/* Define to the full name of this package. */ +#define PACKAGE_NAME "ragel" + +/* Define to the full name and version of this package. */ +#define PACKAGE_STRING "ragel 6.10" + +/* Define to the one symbol short name of this package. */ +#define PACKAGE_TARNAME "ragel" + +/* Define to the home page for this package. */ +#define PACKAGE_URL "" + +/* Define to the version of this package. */ +#define PACKAGE_VERSION "6.10" + +/* Version number of package */ +#define VERSION "6.10" +""" + +genrule( + name = "gen_config_h", + outs = ["ragel/config.h"], + cmd = "(cat <<'HEREDOC'\n%s\nHEREDOC\n) > $@" % config_h_contents, +) diff --git a/staleness_test.py b/staleness_test.py new file mode 100644 index 0000000..43176cf --- /dev/null +++ b/staleness_test.py @@ -0,0 +1,30 @@ +"""The py_test() script for generated_file_staleness_test() rules. + +Note that this file is preprocessed! The INSERT_<...> text below is replaced +with the actual list of files before we actually run the script. +""" + +from __future__ import absolute_import + +import staleness_test_lib +import unittest +import sys + +file_list = """ + INSERT_FILE_LIST_HERE +""".split() + +config = staleness_test_lib.Config(file_list) + + +class TestFilesMatch(unittest.TestCase): + + def testFilesMatch(self): + errors = staleness_test_lib.CheckFilesMatch(config) + self.assertFalse(errors, errors) + + +if len(sys.argv) > 1 and sys.argv[1] == "--fix": + staleness_test_lib.FixFiles(config) +else: + unittest.main() diff --git a/staleness_test_lib.py b/staleness_test_lib.py new file mode 100644 index 0000000..6d5c3d3 --- /dev/null +++ b/staleness_test_lib.py @@ -0,0 +1,158 @@ +"""Shared code for validating generated_file_staleness_test() rules. + +This code is used by test scripts generated from +generated_file_staleness_test() rules. +""" + +from __future__ import absolute_import +from __future__ import print_function + +import os +from shutil import copyfile + + +class _FilePair(object): + """Represents a single (target, generated) file pair.""" + + def __init__(self, target, generated): + self.target = target + self.generated = generated + + +class Config(object): + """Represents the configuration for a single staleness test target.""" + + def __init__(self, file_list): + # Duplicate to avoid modifying our arguments. + file_list = list(file_list) + + # The file list contains a few other bits of information at the end. + # This is packed by the code in build_defs.bzl. + self.target_name = file_list.pop() + self.package_name = file_list.pop() + self.pattern = file_list.pop() + + self.file_list = file_list + + +def _GetFilePairs(config): + """Generates the list of file pairs. + + Args: + config: a Config object representing this target's config. + + Returns: + A list of _FilePair objects. + """ + + ret = [] + + has_bazel_genfiles = os.path.exists("bazel-genfiles") + + for filename in config.file_list: + target = os.path.join(config.package_name, filename) + generated = os.path.join(config.package_name, config.pattern % filename) + if has_bazel_genfiles: + generated = os.path.join("bazel-genfiles", generated) + + # Generated files should always exist. Blaze should guarantee this before + # we are run. + if not os.path.isfile(generated): + print("Generated file '%s' does not exist." % generated) + print("Please run this command to generate it:") + print(" bazel build %s:%s" % (config.package_name, config.target_name)) + ret.append(_FilePair(target, generated)) + + return ret + + +def _GetMissingAndStaleFiles(file_pairs): + """Generates lists of missing and stale files. + + Args: + file_pairs: a list of _FilePair objects. + + Returns: + missing_files: a list of _FilePair objects representing missing files. + These target files do not exist at all. + stale_files: a list of _FilePair objects representing stale files. + These target files exist but have stale contents. + """ + + missing_files = [] + stale_files = [] + + for pair in file_pairs: + if not os.path.isfile(pair.target): + missing_files.append(pair) + continue + + generated = open(pair.generated).read() + target = open(pair.target).read() + if generated != target: + stale_files.append(pair) + + return missing_files, stale_files + + +def _CopyFiles(file_pairs): + """Copies all generated files to the corresponding target file. + + The target files must be writable already. + + Args: + file_pairs: a list of _FilePair objects that we want to copy. + """ + + for pair in file_pairs: + target_dir = os.path.dirname(pair.target) + if not os.path.isdir(target_dir): + os.makedirs(target_dir) + copyfile(pair.generated, pair.target) + + +def FixFiles(config): + """Implements the --fix option: overwrites missing or out-of-date files. + + Args: + config: the Config object for this test. + """ + + file_pairs = _GetFilePairs(config) + missing_files, stale_files = _GetMissingAndStaleFiles(file_pairs) + + _CopyFiles(stale_files + missing_files) + + +def CheckFilesMatch(config): + """Checks whether each target file matches the corresponding generated file. + + Args: + config: the Config object for this test. + + Returns: + None if everything matches, otherwise a string error message. + """ + + diff_errors = [] + + file_pairs = _GetFilePairs(config) + missing_files, stale_files = _GetMissingAndStaleFiles(file_pairs) + + for pair in missing_files: + diff_errors.append("File %s does not exist" % pair.target) + continue + + for pair in stale_files: + diff_errors.append("File %s is out of date" % pair.target) + + if diff_errors: + error_msg = "Files out of date!\n\n" + error_msg += "To fix run THIS command:\n" + error_msg += " bazel-bin/%s/%s --fix\n\n" % (config.package_name, + config.target_name) + error_msg += "Errors:\n" + error_msg += " " + "\n ".join(diff_errors) + return error_msg + else: + return None |