def _ParseAndVisit(source):
mod = pythonparser.parse(source)
future_features = stmt.visit_future(mod)
b = block.ModuleBlock('__main__', '<test>', source, future_features)
visitor = stmt.StatementVisitor(b)
visitor.visit(mod)
return visitor
def _ParseAndVisit(source):
mod = ast.parse(source)
future_features = stmt.visit_future(mod)
b = block.ModuleBlock('__main__', 'grumpy', 'grumpy/lib', '<test>',
source.split('\n'), future_features)
visitor = stmt.StatementVisitor(b)
visitor.visit(mod)
return visitor
def testWriteBlock(self):
writer = util.Writer()
mod_block = block.ModuleBlock(None, '__main__', '<test>', '',
imputil.FutureFeatures())
writer.write_block(mod_block, 'BODY')
output = writer.getvalue()
dispatch = 'switch πF.State() {\n\tcase 0:\n\tdefault: panic'
self.assertIn(dispatch, output)
def testWriteBlock(self):
writer = util.Writer()
writer.write_block(block.ModuleBlock(
'__main__', 'grumpy', 'grumpy/lib', '<test>', []), 'BODY')
output = writer.out.getvalue()
dispatch = 'switch πF.State() {\n\tcase 0:\n\tdefault: panic'
self.assertIn(dispatch, output)
self.assertIn('return nil, nil\n}', output)
def _ParseAndVisit(source):
mod = pythonparser.parse(source)
_, future_features = imputil.parse_future_features(mod)
importer = imputil.Importer(None, 'foo', 'foo.py', False)
b = block.ModuleBlock(importer, '__main__', '<test>',
source, future_features)
visitor = stmt.StatementVisitor(b)
visitor.visit(mod)
return visitor
def testWriteBlock(self):
writer = util.Writer()
mod_block = block.ModuleBlock(imputil_test.MockPath(), '__main__',
'<test>', '', stmt.FutureFeatures())
writer.write_block(mod_block, 'BODY')
output = writer.getvalue()
dispatch = 'switch πF.State() {\n\tcase 0:\n\tdefault: panic'
self.assertIn(dispatch, output)
self.assertIn('return nil, nil\n}', output)
def _MakeModuleBlock():
return block.ModuleBlock(None, '__main__', '<test>', '',
imputil.FutureFeatures())
def _MakeModuleBlock():
return block.ModuleBlock('__main__', 'grumpy', 'grumpy/lib', '<test>', [],
stmt.FutureFeatures())
def _MakeModuleBlock():
importer = imputil.Importer(None, '__main__', '/tmp/foo.py', False)
return block.ModuleBlock(importer, '__main__', '<test>', '',
imputil.FutureFeatures())
def _ParseAndVisit(source):
b = block.ModuleBlock('__main__', 'grumpy', 'grumpy/lib', '<test>',
source.split('\n'))
visitor = stmt.StatementVisitor(b)
visitor.visit(ast.parse(source))
return visitor
def _MakeModuleBlock():
return block.ModuleBlock('__main__', 'grumpy', 'grumpy/lib', '<test>', [])
def _MakeModuleBlock():
return block.ModuleBlock(imputil_test.MockPath(), '__main__', '<test>', '',
stmt.FutureFeatures())
def _MakeModuleBlock():
return block.ModuleBlock('__main__', '<test>', '', stmt.FutureFeatures())
def main(script=None, modname=None):
assert script and modname, 'Script "%s" or Modname "%s" is empty' % (
script, modname)
gopath = os.getenv('GOPATH', None)
if not gopath:
print >> sys.stderr, 'GOPATH not set'
return 1
with open(script) as py_file:
py_contents = py_file.read()
try:
mod = pythonparser.parse(py_contents)
except SyntaxError as e:
print >> sys.stderr, '{}: line {}: invalid syntax: {}'.format(
e.filename, e.lineno, e.text)
return 2
# Do a pass for compiler directives from `from __future__ import *` statements
try:
future_node, future_features = imputil.parse_future_features(mod)
except util.CompileError as e:
print >> sys.stderr, str(e)
return 2
importer = imputil.Importer(gopath, modname, script,
future_features.absolute_import)
full_package_name = modname.replace('.', '/')
mod_block = block.ModuleBlock(importer, full_package_name, script,
py_contents, future_features)
visitor = stmt.StatementVisitor(mod_block, future_node)
# Indent so that the module body is aligned with the goto labels.
with visitor.writer.indent_block():
try:
visitor.visit(mod)
except util.ParseError as e:
print >> sys.stderr, str(e)
return 2
writer = util.Writer(sys.stdout)
tmpl = textwrap.dedent("""\
package $package
import πg "grumpy"
var Code *πg.Code
func init() {
\tCode = πg.NewCode("<module>", $script, nil, 0, func(πF *πg.Frame, _ []*πg.Object) (*πg.Object, *πg.BaseException) {
\t\tvar πR *πg.Object; _ = πR
\t\tvar πE *πg.BaseException; _ = πE""")
writer.write_tmpl(tmpl,
package=modname.split('.')[-1],
script=util.go_str(script))
with writer.indent_block(2):
for s in sorted(mod_block.strings):
writer.write('ß{} := πg.InternStr({})'.format(s, util.go_str(s)))
writer.write_temp_decls(mod_block)
writer.write_block(mod_block, visitor.writer.getvalue())
writer.write_tmpl(textwrap.dedent("""\
\t\treturn nil, πE
\t})
\tπg.RegisterModule($modname, Code)
}"""),
modname=util.go_str(modname))
return 0
