def assign(conv, node, scope):
rest = ''
target = node.targets[0]
if isinstance(target, ast.Tuple):
left = 'var __pjs_tmp'
rest = utils.deepleft(conv, target, [], scope)
elif isinstance(target, ast.Subscript):
left = conv.get_converter(target)(conv, target, scope, True)
if left.endswith(' '):
return left + conv.convert_node(node.value, scope) + ');\n'
elif isinstance(target, ast.Name):
left = utils.lhand_assign(target.id, scope)
else:
left = conv.convert_node(target, scope)
for targ in node.targets[1:]:
var = left
if var.startswith('var '):
var = var[len('var '):]
if isinstance(targ, ast.Tuple):
rest += utils.deepleft(conv, targ, [], scope, var)
elif isinstance(targ, ast.Name):
mr = utils.lhand_assign(targ.id, scope)
rest += mr + ' = ' + var + ';\n'
else:
rest += '%s = %s;\n' % (conv.convert_node(targ, scope), var)
js = conv.convert_node(node.value, scope)
line = '%s = %s;\n' % (left, js)
return line + rest
def assign(conv, node, scope):
rest = ''
target = node.targets[0]
if isinstance(target, ast.Tuple):
left = 'var __pjs_tmp'
rest = utils.deepleft(conv, target, [], scope)
elif isinstance(target, ast.Subscript):
left = conv.get_converter(target)(conv, target, scope, True)
if left.endswith(' '):
return left + conv.convert_node(node.value, scope) + ');\n'
elif isinstance(target, ast.Name):
left = utils.lhand_assign(target.id, scope)
else:
left = conv.convert_node(target, scope)
for targ in node.targets[1:]:
var = left
if var.startswith('var '):
var = var[len('var '):]
if isinstance(targ, ast.Tuple):
rest += utils.deepleft(conv, targ, [], scope, var)
elif isinstance(targ, ast.Name):
mr = utils.lhand_assign(targ.id, scope)
rest += mr + ' = ' + var + ';\n'
else:
rest += '%s = %s;\n' % (conv.convert_node(targ, scope), var)
js = conv.convert_node(node.value, scope)
line = '%s = %s;\n' % (left, js)
return line + rest
def _tryexcept(conv, node, scope):
single = '''%s{
%s
}'''
body = conv.convert_block(node.body, scope)
subs = []
temp = conv.get_temp('err')
for handler in node.handlers:
eb = ''
if handler.name is not None:
name = utils.lhand_assign(handler.name.id, scope)
eb = ' %s = %s;\n ' % (name, temp)
eb_ = conv.convert_block(handler.body, scope)
eb += eb_
if handler.type is not None:
t = conv.convert_node(handler.type, scope)
top = 'if (%s.__class__ && $b.isinstance(%s, %s)) ' % (temp, temp,
t)
else:
top = ''
subs.append(single % (top, eb))
text = TRY_TPL % (body, temp, ' else '.join(subs))
conv.kill_temp('err')
return text
def classdef(conv, node, scope):
imports = []
dct = {
'name': node.name,
'bases':
', '.join(utils.resolve(base.id, scope) for base in node.bases),
'left': utils.lhand_assign(node.name, scope),
'rname': utils.resolve(node.name, scope),
}
dct['dec_front'] = ''
dct['dec_back'] = ''
for dec in node.decorator_list:
dct['dec_front'] += conv.convert_node(dec, scope) + '('
dct['dec_back'] += ')'
scope = scope.copy()
scope.explicit_locals = True
dct['contents'] = utils.fix_undef(conv.convert_block(node.body, scope),
scope)
dct['lnum'] = len(scope.parent_locals)
return CLASS_TEMPLATE % dct
def _import(conv, node, scope):
tpl = '%s = $b.__import__("%s", _.__name__, _.__file__);\n'
text = ''
for name in node.names:
asname = name.name.split('.')[0]
if name.asname:
raise PJsException('import x as y not yet supported')
asname = name.asname
asname = utils.lhand_assign(asname, scope)
text += tpl % (asname, name.name)
conv.add_import(name.name)
return text
def _import(conv, node, scope):
tpl = '%s = $b.__import__("%s", _.__name__, _.__file__);\n'
text = ''
for name in node.names:
asname = name.name.split('.')[0]
if name.asname:
raise PJsException('import x as y not yet supported')
asname = name.asname
asname = utils.lhand_assign(asname, scope)
text += tpl % (asname, name.name)
conv.add_import(name.name)
return text
def _augassign(conv, node, scope):
tpl = '%s = $b.%s(%s, %s);\n'
op = node.op.__class__.__name__.lower()
ljs = conv.convert_node(node.target, scope)
rjs = conv.convert_node(node.value, scope)
if isinstance(node.target, ast.Subscript):
left = conv.get_converter(node.target)(conv, node.target, scope, True)
if left.endswith(' '):
return left + conv.convert_node(node.value, scope) + ');\n'
elif isinstance(node.target, ast.Name):
left = utils.lhand_assign(node.target.id, scope)
else:
left = conv.convert_node(node.target, scope)
return tpl % (left, op, ljs, rjs)
def _augassign(conv, node, scope):
tpl = '%s = $b.%s(%s, %s);\n'
op = node.op.__class__.__name__.lower()
ljs = conv.convert_node(node.target, scope)
rjs = conv.convert_node(node.value, scope)
if isinstance(node.target, ast.Subscript):
left = conv.get_converter(node.target)(conv, node.target, scope, True)
if left.endswith(' '):
return left + conv.convert_node(node.value, scope) + ');\n'
elif isinstance(node.target, ast.Name):
left = utils.lhand_assign(node.target.id, scope)
else:
left = conv.convert_node(node.target, scope)
return tpl % (left, op, ljs, rjs)
def _for(conv, node, scope):
ible = conv.convert_node(node.iter, scope)
temp_iter = conv.get_temp('iter')
if isinstance(node.target, ast.Name):
targ = utils.lhand_assign(node.target.id, scope)
assign = '%s = %s.value;\n' % (targ, temp_iter)
else:
assign = utils.deepleft(conv, node.target, [], scope,
'%s.value' % temp_iter).replace(
'\n', '\n ')
body = conv.convert_block(node.body, scope)
conv.kill_temp('iter')
return FOR_TPL % (temp_iter, ible, temp_iter, assign, body)
def importfrom(conv, node, scope):
text = 'var __pjs_tmp_module = $b.__import__("%s", _.__name__, _.__file__);\n' % node.module
base_name = node.module.split('.')[0]
subs_name = '.'.join(node.module.split('.')[1:])
if subs_name:
subs_name = '.' + subs_name
prefix = utils.local_prefix(scope)
for alias in node.names:
if alias.name == '*':
text += IMPORT_TEMPLATE % {'prefix': prefix, 'subs': subs_name}
break
asname = alias.asname or alias.name
left = utils.lhand_assign(asname, scope)
text += '%s = __pjs_tmp_module%s.%s;\n' % (left, subs_name, alias.name)
conv.add_import(node.module)
return text
def importfrom(conv, node, scope):
text = 'var __pjs_tmp_module = $b.__import__("%s", _.__name__, _.__file__);\n' % node.module
base_name = node.module.split('.')[0]
subs_name = '.'.join(node.module.split('.')[1:])
if subs_name:
subs_name = '.' + subs_name
prefix = utils.local_prefix(scope)
for alias in node.names:
if alias.name == '*':
text += IMPORT_TEMPLATE % {'prefix': prefix, 'subs':subs_name}
break
asname = alias.asname or alias.name
left = utils.lhand_assign(asname, scope)
text += '%s = __pjs_tmp_module%s.%s;\n' % (left, subs_name, alias.name)
conv.add_import(node.module)
return text
def classdef(conv, node, scope):
imports = []
dct = {
'name': node.name,
'bases': ', '.join(utils.resolve(base.id, scope) for base in node.bases),
'left': utils.lhand_assign(node.name, scope),
'rname': utils.resolve(node.name, scope),
}
dct['dec_front'] = ''
dct['dec_back'] = ''
for dec in node.decorator_list:
dct['dec_front'] += conv.convert_node(dec, scope) + '('
dct['dec_back'] += ')'
scope = scope.copy()
scope.explicit_locals = True
dct['contents'] = utils.fix_undef(conv.convert_block(node.body, scope), scope)
dct['lnum'] = len(scope.parent_locals)
return CLASS_TEMPLATE % dct
def functiondef(conv, node, scope):
dct = {
'name': node.name,
'lineno': node.lineno,
'special': function_special(conv, node, scope),
'left': utils.lhand_assign(node.name, scope),
'rname': utils.resolve(node.name, scope),
}
args = function_args(conv, node, scope)
dct['args'] = ', '.join(args)
dct['dec_front'] = ''
dct['dec_back'] = ''
for dec in node.decorator_list:
dct['dec_front'] += conv.convert_node(dec, scope) + '('
dct['dec_back'] += ')'
scope = scope.copy()
scope.explicit_locals = False
scope.locals += args
dct['contents'] = utils.fix_undef(conv.convert_block(node.body, scope), scope)
return FUNC_TEMPLATE % dct
def functiondef(conv, node, scope):
dct = {
'name': node.name,
'lineno': node.lineno,
'special': function_special(conv, node, scope),
'left': utils.lhand_assign(node.name, scope),
'rname': utils.resolve(node.name, scope),
}
args = function_args(conv, node, scope)
dct['args'] = ', '.join(args)
dct['dec_front'] = ''
dct['dec_back'] = ''
for dec in node.decorator_list:
dct['dec_front'] += conv.convert_node(dec, scope) + '('
dct['dec_back'] += ')'
scope = scope.copy()
scope.explicit_locals = False
scope.locals += args
dct['contents'] = utils.fix_undef(conv.convert_block(node.body, scope),
scope)
return FUNC_TEMPLATE % dct