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-rw-r--r--jam-files/boost-build/build/engine.py172
1 files changed, 0 insertions, 172 deletions
diff --git a/jam-files/boost-build/build/engine.py b/jam-files/boost-build/build/engine.py
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--- a/jam-files/boost-build/build/engine.py
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@@ -1,172 +0,0 @@
-# Copyright Pedro Ferreira 2005.
-# Copyright Vladimir Prus 2007.
-# Distributed under the Boost
-# Software License, Version 1.0. (See accompanying
-# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-
-bjam_interface = __import__('bjam')
-
-import operator
-import re
-
-import b2.build.property_set as property_set
-import b2.util
-
-class BjamAction:
- """Class representing bjam action defined from Python."""
-
- def __init__(self, action_name, function):
- self.action_name = action_name
- self.function = function
-
- def __call__(self, targets, sources, property_set):
- if self.function:
- self.function(targets, sources, property_set)
-
- # Bjam actions defined from Python have only the command
- # to execute, and no associated jam procedural code. So
- # passing 'property_set' to it is not necessary.
- bjam_interface.call("set-update-action", self.action_name,
- targets, sources, [])
-
-class BjamNativeAction:
- """Class representing bjam action defined by Jam code.
-
- We still allow to associate a Python callable that will
- be called when this action is installed on any target.
- """
-
- def __init__(self, action_name, function):
- self.action_name = action_name
- self.function = function
-
- def __call__(self, targets, sources, property_set):
- if self.function:
- self.function(targets, sources, property_set)
-
- p = []
- if property_set:
- p = property_set.raw()
-
- b2.util.set_jam_action(self.action_name, targets, sources, p)
-
-action_modifiers = {"updated": 0x01,
- "together": 0x02,
- "ignore": 0x04,
- "quietly": 0x08,
- "piecemeal": 0x10,
- "existing": 0x20}
-
-class Engine:
- """ The abstract interface to a build engine.
-
- For now, the naming of targets, and special handling of some
- target variables like SEARCH and LOCATE make this class coupled
- to bjam engine.
- """
- def __init__ (self):
- self.actions = {}
-
- def add_dependency (self, targets, sources):
- """Adds a dependency from 'targets' to 'sources'
-
- Both 'targets' and 'sources' can be either list
- of target names, or a single target name.
- """
- if isinstance (targets, str):
- targets = [targets]
- if isinstance (sources, str):
- sources = [sources]
-
- for target in targets:
- for source in sources:
- self.do_add_dependency (target, source)
-
- def set_target_variable (self, targets, variable, value, append=0):
- """ Sets a target variable.
-
- The 'variable' will be available to bjam when it decides
- where to generate targets, and will also be available to
- updating rule for that 'taret'.
- """
- if isinstance (targets, str):
- targets = [targets]
-
- for target in targets:
- self.do_set_target_variable (target, variable, value, append)
-
- def set_update_action (self, action_name, targets, sources, properties=property_set.empty()):
- """ Binds a target to the corresponding update action.
- If target needs to be updated, the action registered
- with action_name will be used.
- The 'action_name' must be previously registered by
- either 'register_action' or 'register_bjam_action'
- method.
- """
- assert(isinstance(properties, property_set.PropertySet))
- if isinstance (targets, str):
- targets = [targets]
- self.do_set_update_action (action_name, targets, sources, properties)
-
- def register_action (self, action_name, command, bound_list = [], flags = [],
- function = None):
- """Creates a new build engine action.
-
- Creates on bjam side an action named 'action_name', with
- 'command' as the command to be executed, 'bound_variables'
- naming the list of variables bound when the command is executed
- and specified flag.
- If 'function' is not None, it should be a callable taking three
- parameters:
- - targets
- - sources
- - instance of the property_set class
- This function will be called by set_update_action, and can
- set additional target variables.
- """
- if self.actions.has_key(action_name):
- raise "Bjam action %s is already defined" % action_name
-
- assert(isinstance(flags, list))
-
- bjam_flags = reduce(operator.or_,
- (action_modifiers[flag] for flag in flags), 0)
-
- bjam_interface.define_action(action_name, command, bound_list, bjam_flags)
-
- self.actions[action_name] = BjamAction(action_name, function)
-
- def register_bjam_action (self, action_name, function=None):
- """Informs self that 'action_name' is declared in bjam.
-
- From this point, 'action_name' is a valid argument to the
- set_update_action method. The action_name should be callable
- in the global module of bjam.
- """
-
- # We allow duplicate calls to this rule for the same
- # action name. This way, jamfile rules that take action names
- # can just register them without specially checking if
- # action is already registered.
- if not self.actions.has_key(action_name):
- self.actions[action_name] = BjamNativeAction(action_name, function)
-
- # Overridables
-
-
- def do_set_update_action (self, action_name, targets, sources, property_set):
- action = self.actions.get(action_name)
- if not action:
- raise Exception("No action %s was registered" % action_name)
- action(targets, sources, property_set)
-
- def do_set_target_variable (self, target, variable, value, append):
- if append:
- bjam_interface.call("set-target-variable", target, variable, value, "true")
- else:
- bjam_interface.call("set-target-variable", target, variable, value)
-
- def do_add_dependency (self, target, source):
- bjam_interface.call("DEPENDS", target, source)
-
-