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"""SCons.Tool.javac
Tool-specific initialization for javac.
There normally shouldn't be any need to import this module directly.
It will usually be imported through the generic SCons.Tool.Tool()
selection method.
"""
#
# __COPYRIGHT__
#
# 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__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import os
import os.path
import string
import SCons.Action
import SCons.Builder
from SCons.Node.FS import _my_normcase
from SCons.Tool.JavaCommon import parse_java_file
import SCons.Util
def classname(path):
"""Turn a string (path name) into a Java class name."""
return string.replace(os.path.normpath(path), os.sep, '.')
def emit_java_classes(target, source, env):
"""Create and return lists of source java files
and their corresponding target class files.
"""
java_suffix = env.get('JAVASUFFIX', '.java')
class_suffix = env.get('JAVACLASSSUFFIX', '.class')
slist = []
js = _my_normcase(java_suffix)
for sdir in source:
def visit(arg, dirname, names, js=js, dirnode=sdir.rdir()):
java_files = filter(lambda n, js=js:
_my_normcase(n[-len(js):]) == js,
names)
mydir = dirnode.Dir(dirname)
java_paths = map(lambda f, d=mydir: d.File(f), java_files)
arg.extend(java_paths)
os.path.walk(sdir.rdir().get_abspath(), visit, slist)
tlist = []
for f in slist:
pkg_dir, classes = parse_java_file(f.get_abspath())
if pkg_dir:
for c in classes:
t = target[0].Dir(pkg_dir).File(c+class_suffix)
t.attributes.java_classdir = target[0]
t.attributes.java_classname = classname(pkg_dir + os.sep + c)
tlist.append(t)
elif classes:
for c in classes:
t = target[0].File(c+class_suffix)
t.attributes.java_classdir = target[0]
t.attributes.java_classname = classname(c)
tlist.append(t)
else:
# This is an odd end case: no package and no classes.
# Just do our best based on the source file name.
base = str(f)[:-len(java_suffix)]
t = target[0].File(base + class_suffix)
t.attributes.java_classdir = target[0]
t.attributes.java_classname = classname(base)
tlist.append(t)
return tlist, slist
JavaAction = SCons.Action.Action('$JAVACCOM', '$JAVACCOMSTR')
JavaBuilder = SCons.Builder.Builder(action = JavaAction,
emitter = emit_java_classes,
target_factory = SCons.Node.FS.default_fs.Dir,
source_factory = SCons.Node.FS.default_fs.Dir)
def generate(env):
"""Add Builders and construction variables for javac to an Environment."""
env['BUILDERS']['Java'] = JavaBuilder
env['JAVAC'] = 'javac'
env['JAVACFLAGS'] = SCons.Util.CLVar('')
env['JAVACCOM'] = '$JAVAC $JAVACFLAGS -d ${TARGET.attributes.java_classdir} -sourcepath ${SOURCE.dir.rdir()} $SOURCES'
env['JAVACLASSSUFFIX'] = '.class'
env['JAVASUFFIX'] = '.java'
def exists(env):
return env.Detect('javac')
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