mapnik/scons/scons-local-4.8.1/SCons/Tool/javah.py

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2023-06-11 12:31:23 +02:00
# MIT License
#
# Copyright 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.
"""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.
"""
import os.path
import SCons.Action
import SCons.Builder
import SCons.Node.FS
import SCons.Tool.javac
import SCons.Util
from SCons.Tool.JavaCommon import get_java_install_dirs
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 = s.attributes.java_classname.replace('.', '_') + '.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, IndexError, TypeError):
t = target
try:
return '-d ' + str(t.attributes.java_lookupdir)
except AttributeError:
return '-o ' + str(t)
def getJavaHClassPath(env,target, source, for_signature) -> str:
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path = "${SOURCE.attributes.java_classdir}"
if 'JAVACLASSPATH' in env and env['JAVACLASSPATH']:
path = SCons.Util.AppendPath(path, env['JAVACLASSPATH'])
return "-classpath %s" % path
def generate(env) -> None:
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"""Add Builders and construction variables for javah to an Environment."""
java_javah = SCons.Tool.CreateJavaHBuilder(env)
java_javah.emitter = emit_java_headers
if env['PLATFORM'] == 'win32':
# Ensure that we have a proper path for javah
paths = get_java_install_dirs('win32')
javah = SCons.Tool.find_program_path(env, 'javah', default_paths=paths)
if javah:
javah_bin_dir = os.path.dirname(javah)
env.AppendENVPath('PATH', javah_bin_dir)
env.SetDefault(
JAVAH='javah',
JAVAHFLAGS=SCons.Util.CLVar(''),
JAVACLASSSUFFIX='.class',
JAVASUFFIX='.java',
)
env['_JAVAHOUTFLAG'] = JavaHOutFlagGenerator
env['_JAVAHCLASSPATH'] = getJavaHClassPath
env['JAVAHCOM'] = '$JAVAH $JAVAHFLAGS $_JAVAHOUTFLAG $_JAVAHCLASSPATH ${SOURCES.attributes.java_classname}'
def exists(env):
return env.Detect('javah')
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4: