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"""SCons.Tool.javah
Tool-specific initialization for javah.
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 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/javah.py 3842 2008/12/20 22:59:52 scons"
import os.path
import string
import SCons.Action
import SCons.Builder
import SCons.Node.FS
import SCons.Tool.javac
import SCons.Util
def emit_java_headers(target, source, env):
"""Create and return lists of Java stub header files that will
be created from a set of class files.
"""
class_suffix = env.get('JAVACLASSSUFFIX', '.class')
classdir = env.get('JAVACLASSDIR')
if not classdir:
try:
s = source[0]
except IndexError:
classdir = '.'
else:
try:
classdir = s.attributes.java_classdir
except AttributeError:
classdir = '.'
classdir = env.Dir(classdir).rdir()
if str(classdir) == '.':
c_ = None
else:
c_ = str(classdir) + os.sep
slist = []
for src in source:
try:
classname = src.attributes.java_classname
except AttributeError:
classname = str(src)
if c_ and classname[:len(c_)] == c_:
classname = classname[len(c_):]
if class_suffix and classname[-len(class_suffix):] == class_suffix:
classname = classname[:-len(class_suffix)]
classname = SCons.Tool.javac.classname(classname)
s = src.rfile()
s.attributes.java_classname = classname
slist.append(s)
s = source[0].rfile()
if not hasattr(s.attributes, 'java_classdir'):
s.attributes.java_classdir = classdir
if target[0].__class__ is SCons.Node.FS.File:
tlist = target
else:
if not isinstance(target[0], SCons.Node.FS.Dir):
target[0].__class__ = SCons.Node.FS.Dir
target[0]._morph()
tlist = []
for s in source:
fname = string.replace(s.attributes.java_classname, '.', '_') + '.h'
t = target[0].File(fname)
t.attributes.java_lookupdir = target[0]
tlist.append(t)
return tlist, source
def JavaHOutFlagGenerator(target, source, env, for_signature):
try:
t = target[0]
except (AttributeError, TypeError):
t = target
try:
return '-d ' + str(t.attributes.java_lookupdir)
except AttributeError:
return '-o ' + str(t)
def getJavaHClassPath(env,target, source, for_signature):
path = "${SOURCE.attributes.java_classdir}"
if env.has_key('JAVACLASSPATH') and env['JAVACLASSPATH']:
path = SCons.Util.AppendPath(path, env['JAVACLASSPATH'])
return "-classpath %s" % (path)
def generate(env):
"""Add Builders and construction variables for javah to an Environment."""
java_javah = SCons.Tool.CreateJavaHBuilder(env)
java_javah.emitter = emit_java_headers
env['_JAVAHOUTFLAG'] = JavaHOutFlagGenerator
env['JAVAH'] = 'javah'
env['JAVAHFLAGS'] = SCons.Util.CLVar('')
env['_JAVAHCLASSPATH'] = getJavaHClassPath
env['JAVAHCOM'] = '$JAVAH $JAVAHFLAGS $_JAVAHOUTFLAG $_JAVAHCLASSPATH ${SOURCES.attributes.java_classname}'
env['JAVACLASSSUFFIX'] = '.class'
def exists(env):
return env.Detect('javah')