def visitImportFrom(self, node):
modname = jast.StringConstant(node.module)
module = self.get_module(node.module.split('.'), 0)
if len(node.names) == 0:
self.addModule(node.module, '*')
self._loadNames(self._getnames(module), module)
return jast.InvokeStatic("org.python.core.imp", "importAll",
[modname, self.frame.frame])
topmodname = jast.StringConstant(node.module)
modnames = [alias.name for alias in node.names]
modnamesArray = jast.FilledArray(
"String",
map(lambda x: jast.StringConstant(x), modnames))
do_import = jast.InvokeStatic("org.python.core.imp", "importFrom",
[topmodname, modnamesArray,
self.frame.frame])
imp_accu = self.frame.gettemp('PyObject[]')
stmts = [ jast.Set(imp_accu, do_import) ]
for i in range(len(node.names)):
modname = node.names[i].name
asname = node.names[i].asname
if asname is None:
asname = modname
code = jast.Subscript(imp_accu, i)
stmts.append(self.set_name(asname,
module.getattr(modname).makeReference(code)))
stmts.append(jast.Set(imp_accu,jast.Null))
self.frame.freetemp(imp_accu)
return stmts
def callConstructor(self, access, sig, throws=[], dosuper=1):
args = []
argids = []
objects = []
throws = filterThrows(throws)
for c in sig:
if isinstance(c, TupleType):
argname = c[1]
c = c[0]
else:
argname = "arg" + str(len(argids))
args.append((typeName(c), argname))
argid = jast.Identifier(argname)
argids.append(argid)
objects.append(makeObject(argid, c))
objects = jast.FilledArray("Object", objects)
stmts = []
this = jast.Identifier("this")
if dosuper:
supercall = jast.InvokeLocal("super", argids)
else:
supercall = jast.InvokeLocal("super", [])
## for saccess, ssig in self.jconstructors:
## if len(ssig) == len(sig):
## supercall = jast.InvokeLocal("super", argids)
## break
## else:
## supercall = jast.InvokeLocal("super", [])
frozen = self.module.getFrozen()
initargs = [objects]
initproxy = jast.InvokeLocal("__initProxy__", initargs)
code = jast.Block([supercall, initproxy])
self.statements.append(
jast.Constructor(self.name, jast.Modifier.ModifierString(access),
args, code, throws))
def importfrom_stmt(self, top, names):
module = self.get_module(top, 0)
if names == '*':
return self.importall_stmt(module)
#print 'import * from', module
#names = module.dir()
modnames = []
asnames = []
for modname, asname in names:
if asname is None:
asname = modname
asnames.append(asname)
modnames.append(modname)
topmodname = jast.StringConstant(".".join(top))
modnamesArray = jast.FilledArray(
"String", map(lambda x: jast.StringConstant(x), modnames))
do_import = jast.InvokeStatic(
"org.python.core.imp", "importFrom",
[topmodname, modnamesArray, self.frame.frame])
if not self.imp_accu:
imp_accu = self.imp_accu = jast.Identifier("imp_accu")
self.makeFreeDecl("PyObject[]", imp_accu)
else:
imp_accu = self.imp_accu
stmts = [jast.Set(imp_accu, do_import)]
for i in range(len(asnames)):
asname = asnames[i]
modname = modnames[i]
code = jast.Subscript(imp_accu, i)
stmts.append(
self.set_name(asname,
module.getattr(modname).makeReference(code)))
stmts.append(jast.Set(imp_accu, jast.Null))
return stmts
def PyObjectArray(args):
aargs = makeAnys(args)
return jast.FilledArray("PyObject", aargs)
def callMethod(self, name, access, ret, sig, throws=[], dosuper=1):
args = [typeName(ret)]
argids = []
objects = []
throws = filterThrows(throws)
for c in sig:
if isinstance(c, TupleType):
argname = c[1]
c = c[0]
else:
argname = "arg" + str(len(argids))
args.append((typeName(c), argname))
argid = jast.Identifier(argname)
argids.append(argid)
objects.append(makeObject(argid, c))
objects = jast.FilledArray("Object", objects)
stmts = []
this = jast.Identifier("this")
if isinstance(access, IntType) and isAbstract(access):
dosuper = 0
access = access & ~ABSTRACT
if not dosuper and not self.isAdapter:
getattr = jast.InvokeStatic("Py", "jgetattr",
[this, jast.StringConstant(name)])
else:
getattr = jast.InvokeStatic("Py", "jfindattr",
[this, jast.StringConstant(name)])
inst = jast.Identifier("inst")
if len(throws) == 0:
jcall = "_jcall"
else:
jcall = "_jcallexc"
jcall = makeReturn(jast.Invoke(inst, jcall, [objects]), ret)
jcall = wrapThrows(jcall, throws, ret)
if dosuper:
supercall = jast.Invoke(jast.Identifier("super"), name, argids)
if ret != Void.TYPE:
supercall = jast.Return(supercall)
supermethod = None
if not self.issuperproxy and name not in self.getCandSupermethods(
incl=0):
supermethod = jast.Method("super__" + name,
jast.Modifier.ModifierString(access),
args, jast.Block([supercall]),
throws)
self.supermethods["super__" + name] = "super__" + name
else:
if self.isAdapter:
supercall = nullReturn(ret)
else:
supercall = None
supermethod = None
if not dosuper and not self.isAdapter:
test = jcall
else:
test = jast.If(jast.Operation("!=", inst, jast.Null), jcall,
supercall)
code = jast.Block([jast.Declare("PyObject", inst, getattr), test])
meth = jast.Method(name, jast.Modifier.ModifierString(access), args,
code, throws)
if supermethod is not None:
self.statements.append(supermethod)
self.statements.append(meth)
def PyObjectArray(args):
aargs = makeAnys(args)
return Object(
jast.FilledArray("PyObject", aargs),
findType(java.lang.Class.forName("[Lorg.python.core.PyObject;")))