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Diffstat (limited to 'engine/SCons/Script/SConsOptions.py')
| -rw-r--r-- | engine/SCons/Script/SConsOptions.py | 1020 |
1 files changed, 1020 insertions, 0 deletions
diff --git a/engine/SCons/Script/SConsOptions.py b/engine/SCons/Script/SConsOptions.py new file mode 100644 index 0000000..4e8fd3f --- /dev/null +++ b/engine/SCons/Script/SConsOptions.py @@ -0,0 +1,1020 @@ +# +# Copyright (c) 2001 - 2014 The SCons Foundation +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# + +__revision__ = "src/engine/SCons/Script/SConsOptions.py 2014/09/27 12:51:43 garyo" + +import optparse +import re +import sys +import textwrap + +no_hyphen_re = re.compile(r'(\s+|(?<=[\w\!\"\'\&\.\,\?])-{2,}(?=\w))') + +try: + from gettext import gettext +except ImportError: + def gettext(message): + return message +_ = gettext + +import SCons.Node.FS +import SCons.Warnings + +OptionValueError = optparse.OptionValueError +SUPPRESS_HELP = optparse.SUPPRESS_HELP + +diskcheck_all = SCons.Node.FS.diskcheck_types() + +def diskcheck_convert(value): + if value is None: + return [] + if not SCons.Util.is_List(value): + value = value.split(',') + result = [] + for v in value: + v = v.lower() + if v == 'all': + result = diskcheck_all + elif v == 'none': + result = [] + elif v in diskcheck_all: + result.append(v) + else: + raise ValueError(v) + return result + +class SConsValues(optparse.Values): + """ + Holder class for uniform access to SCons options, regardless + of whether or not they can be set on the command line or in the + SConscript files (using the SetOption() function). + + A SCons option value can originate three different ways: + + 1) set on the command line; + 2) set in an SConscript file; + 3) the default setting (from the the op.add_option() + calls in the Parser() function, below). + + The command line always overrides a value set in a SConscript file, + which in turn always overrides default settings. Because we want + to support user-specified options in the SConscript file itself, + though, we may not know about all of the options when the command + line is first parsed, so we can't make all the necessary precedence + decisions at the time the option is configured. + + The solution implemented in this class is to keep these different sets + of settings separate (command line, SConscript file, and default) + and to override the __getattr__() method to check them in turn. + This should allow the rest of the code to just fetch values as + attributes of an instance of this class, without having to worry + about where they came from. + + Note that not all command line options are settable from SConscript + files, and the ones that are must be explicitly added to the + "settable" list in this class, and optionally validated and coerced + in the set_option() method. + """ + + def __init__(self, defaults): + self.__dict__['__defaults__'] = defaults + self.__dict__['__SConscript_settings__'] = {} + + def __getattr__(self, attr): + """ + Fetches an options value, checking first for explicit settings + from the command line (which are direct attributes), then the + SConscript file settings, then the default values. + """ + try: + return self.__dict__[attr] + except KeyError: + try: + return self.__dict__['__SConscript_settings__'][attr] + except KeyError: + return getattr(self.__dict__['__defaults__'], attr) + + settable = [ + 'clean', + 'diskcheck', + 'duplicate', + 'help', + 'implicit_cache', + 'max_drift', + 'md5_chunksize', + 'no_exec', + 'num_jobs', + 'random', + 'stack_size', + 'warn', + ] + + def set_option(self, name, value): + """ + Sets an option from an SConscript file. + """ + if not name in self.settable: + raise SCons.Errors.UserError("This option is not settable from a SConscript file: %s"%name) + + if name == 'num_jobs': + try: + value = int(value) + if value < 1: + raise ValueError + except ValueError: + raise SCons.Errors.UserError("A positive integer is required: %s"%repr(value)) + elif name == 'max_drift': + try: + value = int(value) + except ValueError: + raise SCons.Errors.UserError("An integer is required: %s"%repr(value)) + elif name == 'duplicate': + try: + value = str(value) + except ValueError: + raise SCons.Errors.UserError("A string is required: %s"%repr(value)) + if not value in SCons.Node.FS.Valid_Duplicates: + raise SCons.Errors.UserError("Not a valid duplication style: %s" % value) + # Set the duplicate style right away so it can affect linking + # of SConscript files. + SCons.Node.FS.set_duplicate(value) + elif name == 'diskcheck': + try: + value = diskcheck_convert(value) + except ValueError, v: + raise SCons.Errors.UserError("Not a valid diskcheck value: %s"%v) + if 'diskcheck' not in self.__dict__: + # No --diskcheck= option was specified on the command line. + # Set this right away so it can affect the rest of the + # file/Node lookups while processing the SConscript files. + SCons.Node.FS.set_diskcheck(value) + elif name == 'stack_size': + try: + value = int(value) + except ValueError: + raise SCons.Errors.UserError("An integer is required: %s"%repr(value)) + elif name == 'md5_chunksize': + try: + value = int(value) + except ValueError: + raise SCons.Errors.UserError("An integer is required: %s"%repr(value)) + elif name == 'warn': + if SCons.Util.is_String(value): + value = [value] + value = self.__SConscript_settings__.get(name, []) + value + SCons.Warnings.process_warn_strings(value) + + self.__SConscript_settings__[name] = value + +class SConsOption(optparse.Option): + def convert_value(self, opt, value): + if value is not None: + if self.nargs in (1, '?'): + return self.check_value(opt, value) + else: + return tuple([self.check_value(opt, v) for v in value]) + + def process(self, opt, value, values, parser): + + # First, convert the value(s) to the right type. Howl if any + # value(s) are bogus. + value = self.convert_value(opt, value) + + # And then take whatever action is expected of us. + # This is a separate method to make life easier for + # subclasses to add new actions. + return self.take_action( + self.action, self.dest, opt, value, values, parser) + + def _check_nargs_optional(self): + if self.nargs == '?' and self._short_opts: + fmt = "option %s: nargs='?' is incompatible with short options" + raise SCons.Errors.UserError(fmt % self._short_opts[0]) + + try: + _orig_CONST_ACTIONS = optparse.Option.CONST_ACTIONS + + _orig_CHECK_METHODS = optparse.Option.CHECK_METHODS + + except AttributeError: + # optparse.Option had no CONST_ACTIONS before Python 2.5. + + _orig_CONST_ACTIONS = ("store_const",) + + def _check_const(self): + if self.action not in self.CONST_ACTIONS and self.const is not None: + raise OptionError( + "'const' must not be supplied for action %r" % self.action, + self) + + # optparse.Option collects its list of unbound check functions + # up front. This sucks because it means we can't just override + # the _check_const() function like a normal method, we have to + # actually replace it in the list. This seems to be the most + # straightforward way to do that. + + _orig_CHECK_METHODS = [optparse.Option._check_action, + optparse.Option._check_type, + optparse.Option._check_choice, + optparse.Option._check_dest, + _check_const, + optparse.Option._check_nargs, + optparse.Option._check_callback] + + CHECK_METHODS = _orig_CHECK_METHODS + [_check_nargs_optional] + + CONST_ACTIONS = _orig_CONST_ACTIONS + optparse.Option.TYPED_ACTIONS + +class SConsOptionGroup(optparse.OptionGroup): + """ + A subclass for SCons-specific option groups. + + The only difference between this and the base class is that we print + the group's help text flush left, underneath their own title but + lined up with the normal "SCons Options". + """ + def format_help(self, formatter): + """ + Format an option group's help text, outdenting the title so it's + flush with the "SCons Options" title we print at the top. + """ + formatter.dedent() + result = formatter.format_heading(self.title) + formatter.indent() + result = result + optparse.OptionContainer.format_help(self, formatter) + return result + +class SConsOptionParser(optparse.OptionParser): + preserve_unknown_options = False + + def error(self, msg): + # overriden OptionValueError exception handler + self.print_usage(sys.stderr) + sys.stderr.write("SCons Error: %s\n" % msg) + sys.exit(2) + + def _process_long_opt(self, rargs, values): + """ + SCons-specific processing of long options. + + This is copied directly from the normal + optparse._process_long_opt() method, except that, if configured + to do so, we catch the exception thrown when an unknown option + is encountered and just stick it back on the "leftover" arguments + for later (re-)processing. + """ + arg = rargs.pop(0) + + # Value explicitly attached to arg? Pretend it's the next + # argument. + if "=" in arg: + (opt, next_arg) = arg.split("=", 1) + rargs.insert(0, next_arg) + had_explicit_value = True + else: + opt = arg + had_explicit_value = False + + try: + opt = self._match_long_opt(opt) + except optparse.BadOptionError: + if self.preserve_unknown_options: + # SCons-specific: if requested, add unknown options to + # the "leftover arguments" list for later processing. + self.largs.append(arg) + if had_explicit_value: + # The unknown option will be re-processed later, + # so undo the insertion of the explicit value. + rargs.pop(0) + return + raise + + option = self._long_opt[opt] + if option.takes_value(): + nargs = option.nargs + if nargs == '?': + if had_explicit_value: + value = rargs.pop(0) + else: + value = option.const + elif len(rargs) < nargs: + if nargs == 1: + self.error(_("%s option requires an argument") % opt) + else: + self.error(_("%s option requires %d arguments") + % (opt, nargs)) + elif nargs == 1: + value = rargs.pop(0) + else: + value = tuple(rargs[0:nargs]) + del rargs[0:nargs] + + elif had_explicit_value: + self.error(_("%s option does not take a value") % opt) + + else: + value = None + + option.process(opt, value, values, self) + + def reparse_local_options(self): + """ + Re-parse the leftover command-line options stored + in self.largs, so that any value overridden on the + command line is immediately available if the user turns + around and does a GetOption() right away. + + We mimic the processing of the single args + in the original OptionParser._process_args(), but here we + allow exact matches for long-opts only (no partial + argument names!). + + Else, this would lead to problems in add_local_option() + below. When called from there, we try to reparse the + command-line arguments that + 1. haven't been processed so far (self.largs), but + 2. are possibly not added to the list of options yet. + + So, when we only have a value for "--myargument" yet, + a command-line argument of "--myarg=test" would set it. + Responsible for this behaviour is the method + _match_long_opt(), which allows for partial matches of + the option name, as long as the common prefix appears to + be unique. + This would lead to further confusion, because we might want + to add another option "--myarg" later on (see issue #2929). + + """ + rargs = [] + largs_restore = [] + # Loop over all remaining arguments + skip = False + for l in self.largs: + if skip: + # Accept all remaining arguments as they are + largs_restore.append(l) + else: + if len(l) > 2 and l[0:2] == "--": + # Check long option + lopt = (l,) + if "=" in l: + # Split into option and value + lopt = l.split("=", 1) + + if lopt[0] in self._long_opt: + # Argument is already known + rargs.append('='.join(lopt)) + else: + # Not known yet, so reject for now + largs_restore.append('='.join(lopt)) + else: + if l == "--" or l == "-": + # Stop normal processing and don't + # process the rest of the command-line opts + largs_restore.append(l) + skip = True + else: + rargs.append(l) + + # Parse the filtered list + self.parse_args(rargs, self.values) + # Restore the list of remaining arguments for the + # next call of AddOption/add_local_option... + self.largs = self.largs + largs_restore + + def add_local_option(self, *args, **kw): + """ + Adds a local option to the parser. + + This is initiated by a SetOption() call to add a user-defined + command-line option. We add the option to a separate option + group for the local options, creating the group if necessary. + """ + try: + group = self.local_option_group + except AttributeError: + group = SConsOptionGroup(self, 'Local Options') + group = self.add_option_group(group) + self.local_option_group = group + + result = group.add_option(*args, **kw) + + if result: + # The option was added succesfully. We now have to add the + # default value to our object that holds the default values + # (so that an attempt to fetch the option's attribute will + # yield the default value when not overridden) and then + # we re-parse the leftover command-line options, so that + # any value overridden on the command line is immediately + # available if the user turns around and does a GetOption() + # right away. + setattr(self.values.__defaults__, result.dest, result.default) + self.reparse_local_options() + + return result + +class SConsIndentedHelpFormatter(optparse.IndentedHelpFormatter): + def format_usage(self, usage): + return "usage: %s\n" % usage + + def format_heading(self, heading): + """ + This translates any heading of "options" or "Options" into + "SCons Options." Unfortunately, we have to do this here, + because those titles are hard-coded in the optparse calls. + """ + if heading == 'options': + # The versions of optparse.py shipped with Pythons 2.3 and + # 2.4 pass this in uncapitalized; override that so we get + # consistent output on all versions. + heading = "Options" + if heading == 'Options': + heading = "SCons Options" + return optparse.IndentedHelpFormatter.format_heading(self, heading) + + def format_option(self, option): + """ + A copy of the normal optparse.IndentedHelpFormatter.format_option() + method. This has been snarfed so we can modify text wrapping to + out liking: + + -- add our own regular expression that doesn't break on hyphens + (so things like --no-print-directory don't get broken); + + -- wrap the list of options themselves when it's too long + (the wrapper.fill(opts) call below); + + -- set the subsequent_indent when wrapping the help_text. + """ + # The help for each option consists of two parts: + # * the opt strings and metavars + # eg. ("-x", or "-fFILENAME, --file=FILENAME") + # * the user-supplied help string + # eg. ("turn on expert mode", "read data from FILENAME") + # + # If possible, we write both of these on the same line: + # -x turn on expert mode + # + # But if the opt string list is too long, we put the help + # string on a second line, indented to the same column it would + # start in if it fit on the first line. + # -fFILENAME, --file=FILENAME + # read data from FILENAME + result = [] + + try: + opts = self.option_strings[option] + except AttributeError: + # The Python 2.3 version of optparse attaches this to + # to the option argument, not to this object. + opts = option.option_strings + + opt_width = self.help_position - self.current_indent - 2 + if len(opts) > opt_width: + wrapper = textwrap.TextWrapper(width=self.width, + initial_indent = ' ', + subsequent_indent = ' ') + wrapper.wordsep_re = no_hyphen_re + opts = wrapper.fill(opts) + '\n' + indent_first = self.help_position + else: # start help on same line as opts + opts = "%*s%-*s " % (self.current_indent, "", opt_width, opts) + indent_first = 0 + result.append(opts) + if option.help: + + try: + expand_default = self.expand_default + except AttributeError: + # The HelpFormatter base class in the Python 2.3 version + # of optparse has no expand_default() method. + help_text = option.help + else: + help_text = expand_default(option) + + # SCons: indent every line of the help text but the first. + wrapper = textwrap.TextWrapper(width=self.help_width, + subsequent_indent = ' ') + wrapper.wordsep_re = no_hyphen_re + help_lines = wrapper.wrap(help_text) + result.append("%*s%s\n" % (indent_first, "", help_lines[0])) + for line in help_lines[1:]: + result.append("%*s%s\n" % (self.help_position, "", line)) + elif opts[-1] != "\n": + result.append("\n") + return "".join(result) + + # For consistent help output across Python versions, we provide a + # subclass copy of format_option_strings() and these two variables. + # This is necessary (?) for Python2.3, which otherwise concatenates + # a short option with its metavar. + _short_opt_fmt = "%s %s" + _long_opt_fmt = "%s=%s" + + def format_option_strings(self, option): + """Return a comma-separated list of option strings & metavariables.""" + if option.takes_value(): + metavar = option.metavar or option.dest.upper() + short_opts = [] + for sopt in option._short_opts: + short_opts.append(self._short_opt_fmt % (sopt, metavar)) + long_opts = [] + for lopt in option._long_opts: + long_opts.append(self._long_opt_fmt % (lopt, metavar)) + else: + short_opts = option._short_opts + long_opts = option._long_opts + + if self.short_first: + opts = short_opts + long_opts + else: + opts = long_opts + short_opts + + return ", ".join(opts) + +def Parser(version): + """ + Returns an options parser object initialized with the standard + SCons options. + """ + + formatter = SConsIndentedHelpFormatter(max_help_position=30) + + op = SConsOptionParser(option_class=SConsOption, + add_help_option=False, + formatter=formatter, + usage="usage: scons [OPTION] [TARGET] ...",) + + op.preserve_unknown_options = True + op.version = version + + # Add the options to the parser we just created. + # + # These are in the order we want them to show up in the -H help + # text, basically alphabetical. Each op.add_option() call below + # should have a consistent format: + # + # op.add_option("-L", "--long-option-name", + # nargs=1, type="string", + # dest="long_option_name", default='foo', + # action="callback", callback=opt_long_option, + # help="help text goes here", + # metavar="VAR") + # + # Even though the optparse module constructs reasonable default + # destination names from the long option names, we're going to be + # explicit about each one for easier readability and so this code + # will at least show up when grepping the source for option attribute + # names, or otherwise browsing the source code. + + # options ignored for compatibility + def opt_ignore(option, opt, value, parser): + sys.stderr.write("Warning: ignoring %s option\n" % opt) + op.add_option("-b", "-d", "-e", "-m", "-S", "-t", "-w", + "--environment-overrides", + "--no-keep-going", + "--no-print-directory", + "--print-directory", + "--stop", + "--touch", + action="callback", callback=opt_ignore, + help="Ignored for compatibility.") + + op.add_option('-c', '--clean', '--remove', + dest="clean", default=False, + action="store_true", + help="Remove specified targets and dependencies.") + + op.add_option('-C', '--directory', + nargs=1, type="string", + dest="directory", default=[], + action="append", + help="Change to DIR before doing anything.", + metavar="DIR") + + op.add_option('--cache-debug', + nargs=1, + dest="cache_debug", default=None, + action="store", + help="Print CacheDir debug info to FILE.", + metavar="FILE") + + op.add_option('--cache-disable', '--no-cache', + dest='cache_disable', default=False, + action="store_true", + help="Do not retrieve built targets from CacheDir.") + + op.add_option('--cache-force', '--cache-populate', + dest='cache_force', default=False, + action="store_true", + help="Copy already-built targets into the CacheDir.") + + op.add_option('--cache-readonly', + dest='cache_readonly', default=False, + action="store_true", + help="Do not update CacheDir with built targets.") + + op.add_option('--cache-show', + dest='cache_show', default=False, + action="store_true", + help="Print build actions for files from CacheDir.") + + def opt_invalid(group, value, options): + errmsg = "`%s' is not a valid %s option type, try:\n" % (value, group) + return errmsg + " %s" % ", ".join(options) + + config_options = ["auto", "force" ,"cache"] + + def opt_config(option, opt, value, parser, c_options=config_options): + if not value in c_options: + raise OptionValueError(opt_invalid('config', value, c_options)) + setattr(parser.values, option.dest, value) + + opt_config_help = "Controls Configure subsystem: %s." \ + % ", ".join(config_options) + + op.add_option('--config', + nargs=1, type="string", + dest="config", default="auto", + action="callback", callback=opt_config, + help = opt_config_help, + metavar="MODE") + + op.add_option('-D', + dest="climb_up", default=None, + action="store_const", const=2, + help="Search up directory tree for SConstruct, " + "build all Default() targets.") + + deprecated_debug_options = { + "dtree" : '; please use --tree=derived instead', + "nomemoizer" : ' and has no effect', + "stree" : '; please use --tree=all,status instead', + "tree" : '; please use --tree=all instead', + } + + debug_options = ["count", "duplicate", "explain", "findlibs", + "includes", "memoizer", "memory", "objects", + "pdb", "prepare", "presub", "stacktrace", + "time"] + + def opt_debug(option, opt, value__, parser, + debug_options=debug_options, + deprecated_debug_options=deprecated_debug_options): + for value in value__.split(','): + if value in debug_options: + parser.values.debug.append(value) + elif value in deprecated_debug_options.keys(): + parser.values.debug.append(value) + try: + parser.values.delayed_warnings + except AttributeError: + parser.values.delayed_warnings = [] + msg = deprecated_debug_options[value] + w = "The --debug=%s option is deprecated%s." % (value, msg) + t = (SCons.Warnings.DeprecatedDebugOptionsWarning, w) + parser.values.delayed_warnings.append(t) + else: + raise OptionValueError(opt_invalid('debug', value, debug_options)) + + opt_debug_help = "Print various types of debugging information: %s." \ + % ", ".join(debug_options) + op.add_option('--debug', + nargs=1, type="string", + dest="debug", default=[], + action="callback", callback=opt_debug, + help=opt_debug_help, + metavar="TYPE") + + def opt_diskcheck(option, opt, value, parser): + try: + diskcheck_value = diskcheck_convert(value) + except ValueError, e: + raise OptionValueError("`%s' is not a valid diskcheck type" % e) + setattr(parser.values, option.dest, diskcheck_value) + + op.add_option('--diskcheck', + nargs=1, type="string", + dest='diskcheck', default=None, + action="callback", callback=opt_diskcheck, + help="Enable specific on-disk checks.", + metavar="TYPE") + + def opt_duplicate(option, opt, value, parser): + if not value in SCons.Node.FS.Valid_Duplicates: + raise OptionValueError(opt_invalid('duplication', value, + SCons.Node.FS.Valid_Duplicates)) + setattr(parser.values, option.dest, value) + # Set the duplicate style right away so it can affect linking + # of SConscript files. + SCons.Node.FS.set_duplicate(value) + + opt_duplicate_help = "Set the preferred duplication methods. Must be one of " \ + + ", ".join(SCons.Node.FS.Valid_Duplicates) + + op.add_option('--duplicate', + nargs=1, type="string", + dest="duplicate", default='hard-soft-copy', + action="callback", callback=opt_duplicate, + help=opt_duplicate_help) + + op.add_option('-f', '--file', '--makefile', '--sconstruct', + nargs=1, type="string", + dest="file", default=[], + action="append", + help="Read FILE as the top-level SConstruct file.") + + op.add_option('-h', '--help', + dest="help", default=False, + action="store_true", + help="Print defined help message, or this one.") + + op.add_option("-H", "--help-options", + action="help", + help="Print this message and exit.") + + op.add_option('-i', '--ignore-errors', + dest='ignore_errors', default=False, + action="store_true", + help="Ignore errors from build actions.") + + op.add_option('-I', '--include-dir', + nargs=1, + dest='include_dir', default=[], + action="append", + help="Search DIR for imported Python modules.", + metavar="DIR") + + op.add_option('--implicit-cache', + dest='implicit_cache', default=False, + action="store_true", + help="Cache implicit dependencies") + + def opt_implicit_deps(option, opt, value, parser): + setattr(parser.values, 'implicit_cache', True) + setattr(parser.values, option.dest, True) + + op.add_option('--implicit-deps-changed', + dest="implicit_deps_changed", default=False, + action="callback", callback=opt_implicit_deps, + help="Ignore cached implicit dependencies.") + + op.add_option('--implicit-deps-unchanged', + dest="implicit_deps_unchanged", default=False, + action="callback", callback=opt_implicit_deps, + help="Ignore changes in implicit dependencies.") + + op.add_option('--interact', '--interactive', + dest='interactive', default=False, + action="store_true", + help="Run in interactive mode.") + + op.add_option('-j', '--jobs', + nargs=1, type="int", + dest="num_jobs", default=1, + action="store", + help="Allow N jobs at once.", + metavar="N") + + op.add_option('-k', '--keep-going', + dest='keep_going', default=False, + action="store_true", + help="Keep going when a target can't be made.") + + op.add_option('--max-drift', + nargs=1, type="int", + dest='max_drift', default=SCons.Node.FS.default_max_drift, + action="store", + help="Set maximum system clock drift to N seconds.", + metavar="N") + + op.add_option('--md5-chunksize', + nargs=1, type="int", + dest='md5_chunksize', default=SCons.Node.FS.File.md5_chunksize, + action="store", + help="Set chunk-size for MD5 signature computation to N kilobytes.", + metavar="N") + + op.add_option('-n', '--no-exec', '--just-print', '--dry-run', '--recon', + dest='no_exec', default=False, + action="store_true", + help="Don't build; just print commands.") + + op.add_option('--no-site-dir', + dest='no_site_dir', default=False, + action="store_true", + help="Don't search or use the usual site_scons dir.") + + op.add_option('--profile', + nargs=1, + dest="profile_file", default=None, + action="store", + help="Profile SCons and put results in FILE.", + metavar="FILE") + + op.add_option('-q', '--question', + dest="question", default=False, + action="store_true", + help="Don't build; exit status says if up to date.") + + op.add_option('-Q', + dest='no_progress', default=False, + action="store_true", + help="Suppress \"Reading/Building\" progress messages.") + + op.add_option('--random', + dest="random", default=False, + action="store_true", + help="Build dependencies in random order.") + + op.add_option('-s', '--silent', '--quiet', + dest="silent", default=False, + action="store_true", + help="Don't print commands.") + + op.add_option('--site-dir', + nargs=1, + dest='site_dir', default=None, + action="store", + help="Use DIR instead of the usual site_scons dir.", + metavar="DIR") + + op.add_option('--stack-size', + nargs=1, type="int", + dest='stack_size', + action="store", + help="Set the stack size of the threads used to run jobs to N kilobytes.", + metavar="N") + + op.add_option('--taskmastertrace', + nargs=1, + dest="taskmastertrace_file", default=None, + action="store", + help="Trace Node evaluation to FILE.", + metavar="FILE") + + tree_options = ["all", "derived", "prune", "status"] + + def opt_tree(option, opt, value, parser, tree_options=tree_options): + import Main + tp = Main.TreePrinter() + for o in value.split(','): + if o == 'all': + tp.derived = False + elif o == 'derived': + tp.derived = True + elif o == 'prune': + tp.prune = True + elif o == 'status': + tp.status = True + else: + raise OptionValueError(opt_invalid('--tree', o, tree_options)) + parser.values.tree_printers.append(tp) + + opt_tree_help = "Print a dependency tree in various formats: %s." \ + % ", ".join(tree_options) + + op.add_option('--tree', + nargs=1, type="string", + dest="tree_printers", default=[], + action="callback", callback=opt_tree, + help=opt_tree_help, + metavar="OPTIONS") + + op.add_option('-u', '--up', '--search-up', + dest="climb_up", default=0, + action="store_const", const=1, + help="Search up directory tree for SConstruct, " + "build targets at or below current directory.") + + op.add_option('-U', + dest="climb_up", default=0, + action="store_const", const=3, + help="Search up directory tree for SConstruct, " + "build Default() targets from local SConscript.") + + def opt_version(option, opt, value, parser): + sys.stdout.write(parser.version + '\n') + sys.exit(0) + op.add_option("-v", "--version", + action="callback", callback=opt_version, + help="Print the SCons version number and exit.") + + def opt_warn(option, opt, value, parser, tree_options=tree_options): + if SCons.Util.is_String(value): + value = value.split(',') + parser.values.warn.extend(value) + + op.add_option('--warn', '--warning', + nargs=1, type="string", + dest="warn", default=[], + action="callback", callback=opt_warn, + help="Enable or disable warnings.", + metavar="WARNING-SPEC") + + op.add_option('-Y', '--repository', '--srcdir', + nargs=1, + dest="repository", default=[], + action="append", + help="Search REPOSITORY for source and target files.") + + # Options from Make and Cons classic that we do not yet support, + # but which we may support someday and whose (potential) meanings + # we don't want to change. These all get a "the -X option is not + # yet implemented" message and don't show up in the help output. + + def opt_not_yet(option, opt, value, parser): + msg = "Warning: the %s option is not yet implemented\n" % opt + sys.stderr.write(msg) + + op.add_option('-l', '--load-average', '--max-load', + nargs=1, type="float", + dest="load_average", default=0, + action="callback", callback=opt_not_yet, + # action="store", + # help="Don't start multiple jobs unless load is below " + # "LOAD-AVERAGE." + help=SUPPRESS_HELP) + op.add_option('--list-actions', + dest="list_actions", + action="callback", callback=opt_not_yet, + # help="Don't build; list files and build actions." + help=SUPPRESS_HELP) + op.add_option('--list-derived', + dest="list_derived", + action="callback", callback=opt_not_yet, + # help="Don't build; list files that would be built." + help=SUPPRESS_HELP) + op.add_option('--list-where', + dest="list_where", + action="callback", callback=opt_not_yet, + # help="Don't build; list files and where defined." + help=SUPPRESS_HELP) + op.add_option('-o', '--old-file', '--assume-old', + nargs=1, type="string", + dest="old_file", default=[], + action="callback", callback=opt_not_yet, + # action="append", + # help = "Consider FILE to be old; don't rebuild it." + help=SUPPRESS_HELP) + op.add_option('--override', + nargs=1, type="string", + action="callback", callback=opt_not_yet, + dest="override", + # help="Override variables as specified in FILE." + help=SUPPRESS_HELP) + op.add_option('-p', + action="callback", callback=opt_not_yet, + dest="p", + # help="Print internal environments/objects." + help=SUPPRESS_HELP) + op.add_option('-r', '-R', '--no-builtin-rules', '--no-builtin-variables', + action="callback", callback=opt_not_yet, + dest="no_builtin_rules", + # help="Clear default environments and variables." + help=SUPPRESS_HELP) + op.add_option('--write-filenames', + nargs=1, type="string", + dest="write_filenames", + action="callback", callback=opt_not_yet, + # help="Write all filenames examined into FILE." + help=SUPPRESS_HELP) + op.add_option('-W', '--new-file', '--assume-new', '--what-if', + nargs=1, type="string", + dest="new_file", + action="callback", callback=opt_not_yet, + # help="Consider FILE to be changed." + help=SUPPRESS_HELP) + op.add_option('--warn-undefined-variables', + dest="warn_undefined_variables", + action="callback", callback=opt_not_yet, + # help="Warn when an undefined variable is referenced." + help=SUPPRESS_HELP) + + return op + +# Local Variables: +# tab-width:4 +# indent-tabs-mode:nil +# End: +# vim: set expandtab tabstop=4 shiftwidth=4: |