javac.py
上传用户:market2
上传日期:2018-11-18
资源大小:18786k
文件大小:8k
- """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 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 3057 2008/06/09 22:21:00 knight"
- 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')
- 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:
- """
- 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:
- path = path + [ env[self.default] ]
- if path:
- return [self.opt, string.join(path, os.pathsep)]
- #return self.opt + " " + string.join(path, os.pathsep)
- else:
- return []
- #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('$JAVASUFFIX')
- result = []
- for t, s in zip(target, source):
- if isinstance(s, SCons.Node.FS.Base):
- if isinstance(s, SCons.Node.FS.File):
- b = env.JavaClassFile
- else:
- b = env.JavaClassDir
- else:
- if os.path.isfile(s):
- b = env.JavaClassFile
- elif os.path.isdir(s):
- b = env.JavaClassDir
- elif s[-len(java_suffix):] == java_suffix:
- b = env.JavaClassFile
- else:
- b = env.JavaClassDir
- result.extend(apply(b, (t, s) + args, kw))
- return result
- def generate(env):
- """Add Builders and construction variables for javac to an Environment."""
- java_file = SCons.Tool.CreateJavaFileBuilder(env)
- java_class = SCons.Tool.CreateJavaClassFileBuilder(env)
- java_class_dir = SCons.Tool.CreateJavaClassDirBuilder(env)
- java_class.add_emitter(None, emit_java_classes)
- java_class.add_emitter(env.subst('$JAVASUFFIX'), emit_java_classes)
- java_class_dir.emitter = emit_java_classes
- env.AddMethod(Java)
- env['JAVAC'] = 'javac'
- env['JAVACFLAGS'] = SCons.Util.CLVar('')
- env['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