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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 (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 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/Tool/javac.py issue-2856:2676:d23b7a2f45e8 2012/08/05 15:38:28 garyo"
import os
import os.path
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 os.path.normpath(path).replace(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')
target[0].must_be_same(SCons.Node.FS.Dir)
classdir = target[0]
s = source[0].rentry().disambiguate()
if isinstance(s, SCons.Node.FS.File):
sourcedir = s.dir.rdir()
elif isinstance(s, SCons.Node.FS.Dir):
sourcedir = s.rdir()
else:
raise SCons.Errors.UserError("Java source must be File or Dir, not '%s'" % s.__class__)
slist = []
js = _my_normcase(java_suffix)
for entry in source:
entry = entry.rentry().disambiguate()
if isinstance(entry, SCons.Node.FS.File):
slist.append(entry)
elif isinstance(entry, SCons.Node.FS.Dir):
result = SCons.Util.OrderedDict()
dirnode = entry.rdir()
def find_java_files(arg, dirpath, filenames):
java_files = sorted([n for n in filenames
if _my_normcase(n).endswith(js)])
mydir = dirnode.Dir(dirpath)
java_paths = [mydir.File(f) for f in java_files]
for jp in java_paths:
arg[jp] = True
for dirpath, dirnames, filenames in os.walk(dirnode.get_abspath()):
find_java_files(result, dirpath, filenames)
entry.walk(find_java_files, result)
slist.extend(list(result.keys()))
else:
raise SCons.Errors.UserError("Java source must be File or Dir, not '%s'" % entry.__class__)
version = env.get('JAVAVERSION', '1.4')
full_tlist = []
for f in slist:
tlist = []
source_file_based = True
pkg_dir = None
if not f.is_derived():
pkg_dir, classes = parse_java_file(f.rfile().get_abspath(), version)
if classes:
source_file_based = False
if pkg_dir:
d = target[0].Dir(pkg_dir)
p = pkg_dir + os.sep
else:
d = target[0]
p = ''
for c in classes:
t = d.File(c + class_suffix)
t.attributes.java_classdir = classdir
t.attributes.java_sourcedir = sourcedir
t.attributes.java_classname = classname(p + c)
tlist.append(t)
if source_file_based:
base = f.name[:-len(java_suffix)]
if pkg_dir:
t = target[0].Dir(pkg_dir).File(base + class_suffix)
else:
t = target[0].File(base + class_suffix)
t.attributes.java_classdir = classdir
t.attributes.java_sourcedir = f.dir
t.attributes.java_classname = classname(base)
tlist.append(t)
for t in tlist:
t.set_specific_source([f])
full_tlist.extend(tlist)
return full_tlist, slist
JavaAction = SCons.Action.Action('$JAVACCOM', '$JAVACCOMSTR')
JavaBuilder = SCons.Builder.Builder(action = JavaAction,
emitter = emit_java_classes,
target_factory = SCons.Node.FS.Entry,
source_factory = SCons.Node.FS.Entry)
class pathopt(object):
"""
Callable object for generating javac-style path options from
a construction variable (e.g. -classpath, -sourcepath).
"""
def __init__(self, opt, var, default=None):
self.opt = opt
self.var = var
self.default = default
def __call__(self, target, source, env, for_signature):
path = env[self.var]
if path and not SCons.Util.is_List(path):
path = [path]
if self.default:
default = env[self.default]
if default:
if not SCons.Util.is_List(default):
default = [default]
path = path + default
if path:
return [self.opt, os.pathsep.join(map(str, path))]
else:
return []
def Java(env, target, source, *args, **kw):
"""
A pseudo-Builder wrapper around the separate JavaClass{File,Dir}
Builders.
"""
if not SCons.Util.is_List(target):
target = [target]
if not SCons.Util.is_List(source):
source = [source]
# Pad the target list with repetitions of the last element in the
# list so we have a target for every source element.
target = target + ([target[-1]] * (len(source) - len(target)))
java_suffix = env.subst('$JAVASUFFIX')
result = []
for t, s in zip(target, source):
if isinstance(s, SCons.Node.FS.Base):
if isinstance(s, SCons.Node.FS.File):
b = env.JavaClassFile
else:
b = env.JavaClassDir
else:
if os.path.isfile(s):
b = env.JavaClassFile
elif os.path.isdir(s):
b = env.JavaClassDir
elif s[-len(java_suffix):] == java_suffix:
b = env.JavaClassFile
else:
b = env.JavaClassDir
result.extend(b(t, s, *args, **kw))
return result
def generate(env):
"""Add Builders and construction variables for javac to an Environment."""
java_file = SCons.Tool.CreateJavaFileBuilder(env)
java_class = SCons.Tool.CreateJavaClassFileBuilder(env)
java_class_dir = SCons.Tool.CreateJavaClassDirBuilder(env)
java_class.add_emitter(None, emit_java_classes)
java_class.add_emitter(env.subst('$JAVASUFFIX'), emit_java_classes)
java_class_dir.emitter = emit_java_classes
env.AddMethod(Java)
env['JAVAC'] = 'javac'
env['JAVACFLAGS'] = SCons.Util.CLVar('')
env['JAVABOOTCLASSPATH'] = []
env['JAVACLASSPATH'] = []
env['JAVASOURCEPATH'] = []
env['_javapathopt'] = pathopt
env['_JAVABOOTCLASSPATH'] = '${_javapathopt("-bootclasspath", "JAVABOOTCLASSPATH")} '
env['_JAVACLASSPATH'] = '${_javapathopt("-classpath", "JAVACLASSPATH")} '
env['_JAVASOURCEPATH'] = '${_javapathopt("-sourcepath", "JAVASOURCEPATH", "_JAVASOURCEPATHDEFAULT")} '
env['_JAVASOURCEPATHDEFAULT'] = '${TARGET.attributes.java_sourcedir}'
env['_JAVACCOM'] = '$JAVAC $JAVACFLAGS $_JAVABOOTCLASSPATH $_JAVACLASSPATH -d ${TARGET.attributes.java_classdir} $_JAVASOURCEPATH $SOURCES'
env['JAVACCOM'] = "${TEMPFILE('$_JAVACCOM')}"
env['JAVACLASSSUFFIX'] = '.class'
env['JAVASUFFIX'] = '.java'
def exists(env):
return 1
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4:
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