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+#! /usr/bin/env python
+# encoding: utf-8
+# Yannick LM 2011
+
+"""
+Support for the boo programming language, for example::
+
+ bld(features = "boo", # necessary feature
+ source = "src.boo", # list of boo files
+ gen = "world.dll", # target
+ type = "library", # library/exe ("-target:xyz" flag)
+ name = "world" # necessary if the target is referenced by 'use'
+ )
+"""
+
+from waflib import Task
+from waflib.Configure import conf
+from waflib.TaskGen import feature, after_method, before_method, extension
+
+@extension('.boo')
+def boo_hook(self, node):
+ # Nothing here yet ...
+ # TODO filter the non-boo source files in 'apply_booc' and remove this method
+ pass
+
+@feature('boo')
+@before_method('process_source')
+def apply_booc(self):
+ """Create a booc task """
+ src_nodes = self.to_nodes(self.source)
+ out_node = self.path.find_or_declare(self.gen)
+
+ self.boo_task = self.create_task('booc', src_nodes, [out_node])
+
+ # Set variables used by the 'booc' task
+ self.boo_task.env.OUT = '-o:%s' % out_node.abspath()
+
+ # type is "exe" by default
+ type = getattr(self, "type", "exe")
+ self.boo_task.env.BOO_TARGET_TYPE = "-target:%s" % type
+
+@feature('boo')
+@after_method('apply_boo')
+def use_boo(self):
+ """"
+ boo applications honor the **use** keyword::
+ """
+ dep_names = self.to_list(getattr(self, 'use', []))
+ for dep_name in dep_names:
+ dep_task_gen = self.bld.get_tgen_by_name(dep_name)
+ if not dep_task_gen:
+ continue
+ dep_task_gen.post()
+ dep_task = getattr(dep_task_gen, 'boo_task', None)
+ if not dep_task:
+ # Try a cs task:
+ dep_task = getattr(dep_task_gen, 'cs_task', None)
+ if not dep_task:
+ # Try a link task:
+ dep_task = getattr(dep_task, 'link_task', None)
+ if not dep_task:
+ # Abort ...
+ continue
+ self.boo_task.set_run_after(dep_task) # order
+ self.boo_task.dep_nodes.extend(dep_task.outputs) # dependency
+ self.boo_task.env.append_value('BOO_FLAGS', '-reference:%s' % dep_task.outputs[0].abspath())
+
+class booc(Task.Task):
+ """Compiles .boo files """
+ color = 'YELLOW'
+ run_str = '${BOOC} ${BOO_FLAGS} ${BOO_TARGET_TYPE} ${OUT} ${SRC}'
+
+@conf
+def check_booc(self):
+ self.find_program('booc', 'BOOC')
+ self.env.BOO_FLAGS = ['-nologo']
+
+def configure(self):
+ """Check that booc is available """
+ self.check_booc()
+