javah.py
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上传日期:2018-11-18
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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 3057 2008/06/09 22:21:00 knight"
- 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')