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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')
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)
find_java = lambda n, js=js, ljs=len(js): _my_normcase(n[-ljs:]) == js
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()
def visit(arg, dirname, names, fj=find_java, dirnode=entry.rdir()):
java_files = filter(fj, names)
# The on-disk entries come back in arbitrary order. Sort
# them so our target and source lists are determinate.
java_files.sort()
mydir = dirnode.Dir(dirname)
java_paths = map(lambda f, d=mydir: d.File(f), java_files)
for jp in java_paths:
arg[jp] = True
os.path.walk(entry.rdir().get_abspath(), visit, result)
entry.walk(visit, result)
slist.extend(result.keys())
else:
raise SCons.Errors.UserError("Java source must be File or Dir, not '%s'" % entry.__class__)
version = env.get('JAVAVERSION', '1.4')
tlist = []
for f in slist:
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)
return 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)
def getClassPath(env,target, source, for_signature):
path = ""
if env.has_key('JAVACLASSPATH') and env['JAVACLASSPATH']:
path = SCons.Util.AppendPath(path, env['JAVACLASSPATH'])
return "-classpath %s" % (path)
else:
return ""
def getSourcePath(env,target, source, for_signature):
path = ""
if env.has_key('JAVASOURCEPATH') and env['JAVASOURCEPATH']:
path = SCons.Util.AppendPath(path, env['JAVASOURCEPATH'])
path = SCons.Util.AppendPath(path,['${TARGET.attributes.java_sourcedir}'])
return "-sourcepath %s" % (path)
def Java(env, target, source, *args, **kw):
"""
A pseudo-Builder wrapper around the separate JavaClass{File,Dir}
Builders.
"""
if not SCons.Util.is_List(target):
target = [target]
if not SCons.Util.is_List(source):
source = [source]
# Pad the target list with repetitions of the last element in the
# list so we have a target for every source element.
target = target + ([target[-1]] * (len(source) - len(target)))
java_suffix = env.subst('$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(apply(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('$JAVASUFFIX'), emit_java_classes)
java_class_dir.emitter = emit_java_classes
env.AddMethod(Java)
env['JAVAC'] = 'javac'
env['JAVACFLAGS'] = SCons.Util.CLVar('')
env['JAVACLASSPATH'] = []
env['JAVASOURCEPATH'] = []
env['_JAVACLASSPATH'] = getClassPath
env['_JAVASOURCEPATH'] = getSourcePath
env['_JAVACCOM'] = '$JAVAC $JAVACFLAGS $_JAVACLASSPATH -d ${TARGET.attributes.java_classdir} $_JAVASOURCEPATH $SOURCES'
env['JAVACCOM'] = "${TEMPFILE('$_JAVACCOM')}"
env['JAVACLASSSUFFIX'] = '.class'
env['JAVASUFFIX'] = '.java'
def exists(env):
return 1
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