def p_expr_isset(p):
'expr : ISSET LPAREN isset_variables RPAREN'
p[0] = ast.IsSet(p[3], lineno=p.lineno(1))
def from_phpast(self, node):
if node is None:
return py.Name('None', py.Load(**pos(node)), **pos(node))
if isinstance(node, basestring):
return py.Str(node, **pos(node))
if isinstance(node, (int, float, long)):
return py.Num(node, **pos(node))
if isinstance(node, php.Array):
if node.nodes:
if node.nodes[0].key is not None:
keys = []
values = []
for elem in node.nodes:
keys.append(self.from_phpast(elem.key))
values.append(self.from_phpast(elem.value))
ds = py.Dict(keys, values, **pos(node))
else:
ds = py.List([self.from_phpast(x.value) for x in node.nodes],
py.Load(**pos(node)),
**pos(node))
else:
ds = py.List([], py.Load(**pos(node)), **pos(node))
return py.Call(py.Name('PHPArray', py.Load(**pos(node)), **pos(node)),
[ds],
[], None, None, **pos(node))
if isinstance(node, php.InlineHTML):
args = [py.Str(node.data, **pos(node))]
return py.Call(py.Name('inline_html',
py.Load(**pos(node)),
**pos(node)),
args, [], None, None,
**pos(node))
if isinstance(node, php.Echo):
return py.Call(py.Name('echo', py.Load(**pos(node)),
**pos(node)),
map(self.from_phpast, node.nodes),
[], None, None,
**pos(node))
if isinstance(node, php.Print):
return py.Print(None, [self.from_phpast(node.node)], True, **pos(node))
if isinstance(node, php.Exit):
args = []
if node.expr is not None:
args.append(self.from_phpast(node.expr))
return py.Raise(py.Call(py.Name('SystemExit', py.Load(**pos(node)),
**pos(node)),
args, [], None, None, **pos(node)),
None, None, **pos(node))
if isinstance(node, php.Return):
if len(self.scope_stack) > 0:
# return from function
if node.node is None:
return py.Return(None, **pos(node))
else:
return py.Return(self.from_phpast(node.node), **pos(node))
else:
# return from script
args = [self.from_phpast(node.node)]
return py.Raise(py.Call(py.Name('_GlobalReturn', py.Load(**pos(node)),
**pos(node)),
args, [], None, None, **pos(node)),
None, None, **pos(node))
if isinstance(node, php.Break):
assert node.node is None, 'level on break not supported'
return py.Break(**pos(node))
if isinstance(node, php.Continue):
assert node.node is None, 'level on continue not supported'
return py.Continue(**pos(node))
if isinstance(node, php.Silence):
return self.from_phpast(node.expr)
if isinstance(node, php.Block):
return self.from_phpast(php.If(1, node, [], None, lineno=node.lineno))
if isinstance(node, php.Unset):
return py.Delete(map(self.from_phpast, node.nodes), **pos(node))
if isinstance(node, php.IsSet) and len(node.nodes) == 1:
if isinstance(node.nodes[0], php.ArrayOffset):
return py.Compare(self.from_phpast(node.nodes[0].expr),
[py.In(**pos(node))],
[self.from_phpast(node.nodes[0].node)],
**pos(node))
if isinstance(node.nodes[0], php.ObjectProperty):
return py.Call(py.Name('hasattr', py.Load(**pos(node)),
**pos(node)),
[self.from_phpast(node.nodes[0].node),
self.from_phpast(node.nodes[0].name)],
[], None, None, **pos(node))
if isinstance(node.nodes[0], php.Variable):
variable_name = node.nodes[0].name[1:]
static_name = self.get_static(variable_name)
if static_name:
variable_name = static_name
globs = py.Call(py.Name('globals', py.Load(**pos(node)),
**pos(node)),
[], [], None, None, **pos(node))
locs = py.Call(py.Name('locals', py.Load(**pos(node)),
**pos(node)),
[], [], None, None, **pos(node))
return py.Compare(py.Str(static_name, **pos(node)),
[py.In(**pos(node))],
[py.Call(py.Name('all_vars', py.Load(**pos(node)),
**pos(node)),
[globs, locs], [], None, None, **pos(node))],
**pos(node))
return py.Compare(self.from_phpast(node.nodes[0]),
[py.IsNot(**pos(node))],
[py.Name('None', py.Load(**pos(node)), **pos(node))],
**pos(node))
if isinstance(node, php.Empty):
return self.from_phpast(php.UnaryOp('!',
php.BinaryOp('&&',
php.IsSet([node.expr],
lineno=node.lineno),
node.expr,
lineno=node.lineno),
lineno=node.lineno))
if isinstance(node, php.Assignment):
if (isinstance(node.node, php.ArrayOffset)
and node.node.expr is None):
return py.Call(py.Attribute(self.from_phpast(node.node.node),
'append', py.Load(**pos(node)),
**pos(node)),
[self.from_phpast(node.expr)],
[], None, None, **pos(node))
if (isinstance(node.node, php.ObjectProperty)
and isinstance(node.node.name, php.BinaryOp)):
return to_stmt(py.Call(py.Name('setattr', py.Load(**pos(node)),
**pos(node)),
[from_phpast(node.node.node),
from_phpast(node.node.name),
from_phpast(node.expr)],
[], None, None, **pos(node)))
return py.Assign([store(from_phpast(node.node))],
from_phpast(node.expr),
**pos(node))
if isinstance(node, php.ListAssignment):
return py.Assign([py.Tuple(map(store, map(self.from_phpast, node.nodes)),
py.Store(**pos(node)),
**pos(node))],
self.from_phpast(node.expr),
**pos(node))
if isinstance(node, php.AssignOp):
return self.from_phpast(php.Assignment(node.left,
php.BinaryOp(node.op[:-1],
node.left,
node.right,
lineno=node.lineno),
False,
lineno=node.lineno))
if isinstance(node, (php.PreIncDecOp, php.PostIncDecOp)):
return self.from_phpast(php.Assignment(node.expr,
php.BinaryOp(node.op[0],
node.expr,
1,
lineno=node.lineno),
False,
lineno=node.lineno))
if isinstance(node, php.ArrayOffset):
return py.Subscript(self.from_phpast(node.node),
py.Index(self.from_phpast(node.expr), **pos(node)),
py.Load(**pos(node)),
**pos(node))
if isinstance(node, php.ObjectProperty):
if isinstance(node.name, (php.Variable, php.BinaryOp)):
return py.Call(py.Name('getattr', py.Load(**pos(node)),
**pos(node)),
[self.from_phpast(node.node),
self.from_phpast(node.name)],
[], None, None, **pos(node))
return py.Attribute(self.from_phpast(node.node),
node.name,
py.Load(**pos(node)),
**pos(node))
if isinstance(node, php.Constant):
name = node.name
if name.lower() == 'true': name = 'True'
if name.lower() == 'false': name = 'False'
if name.lower() == 'null': name = 'None'
return py.Name(name, py.Load(**pos(node)), **pos(node))
if isinstance(node, php.Variable):
name = node.name[1:]
static_name = self.get_static(name)
if static_name:
name = static_name
if name == 'this': name = 'self'
return py.Name(name, py.Load(**pos(node)), **pos(node))
def from_phpast(node):
if node is None:
return py.Pass(**pos(node))
if isinstance(node, basestring):
return py.Str(node, **pos(node))
if isinstance(node, (int, float)):
return py.Num(node, **pos(node))
if isinstance(node, php.Array):
if node.nodes:
if node.nodes[0].key is not None:
keys = []
values = []
for elem in node.nodes:
keys.append(from_phpast(elem.key))
values.append(from_phpast(elem.value))
return py.Dict(keys, values, **pos(node))
else:
return py.List([from_phpast(x.value) for x in node.nodes],
py.Load(**pos(node)), **pos(node))
else:
return py.List([], py.Load(**pos(node)), **pos(node))
if isinstance(node, php.InlineHTML):
args = [py.Str(node.data, **pos(node))]
return py.Call(
py.Name('inline_html', py.Load(**pos(node)), **pos(node)), args,
[], None, None, **pos(node))
if isinstance(node, php.Echo):
return py.Call(py.Name('echo', py.Load(**pos(node)), **pos(node)),
map(from_phpast, node.nodes), [], None, None,
**pos(node))
if isinstance(node, php.Print):
return py.Print(None, [from_phpast(node.node)], True, **pos(node))
if isinstance(node, php.Exit):
args = []
if node.expr is not None:
args.append(from_phpast(node.expr))
return py.Raise(
py.Call(py.Name('Exit', py.Load(**pos(node)), **pos(node)), args,
[], None, None, **pos(node)), None, None, **pos(node))
if isinstance(node, php.Return):
if node.node is None:
return py.Return(None, **pos(node))
else:
return py.Return(from_phpast(node.node), **pos(node))
if isinstance(node, php.Break):
assert node.node is None, 'level on break not supported'
return py.Break(**pos(node))
if isinstance(node, php.Continue):
assert node.node is None, 'level on continue not supported'
return py.Continue(**pos(node))
if isinstance(node, php.Silence):
return from_phpast(node.expr)
if isinstance(node, php.Block):
return from_phpast(php.If(1, node, [], None, lineno=node.lineno))
if isinstance(node, php.Unset):
return py.Delete(map(from_phpast, node.nodes), **pos(node))
if isinstance(node, php.IsSet) and len(node.nodes) == 1:
if isinstance(node.nodes[0], php.ArrayOffset):
return py.Compare(from_phpast(node.nodes[0].expr),
[py.In(**pos(node))],
[from_phpast(node.nodes[0].node)], **pos(node))
if isinstance(node.nodes[0], php.ObjectProperty):
return py.Call(
py.Name('hasattr', py.Load(**pos(node)), **pos(node)), [
from_phpast(node.nodes[0].node),
from_phpast(node.nodes[0].name)
], [], None, None, **pos(node))
if isinstance(node.nodes[0], php.Variable):
return py.Compare(py.Str(
node.nodes[0].name[1:], **pos(node)), [py.In(**pos(node))], [
py.Call(py.Name('vars', py.Load(**pos(node)), **pos(node)),
[], [], None, None, **pos(node))
], **pos(node))
return py.Compare(from_phpast(node.nodes[0]), [py.IsNot(**pos(node))],
[py.Name('None', py.Load(**pos(node)), **pos(node))],
**pos(node))
if isinstance(node, php.Empty):
return from_phpast(
php.UnaryOp('!',
php.BinaryOp('&&',
php.IsSet([node.expr],
lineno=node.lineno),
node.expr,
lineno=node.lineno),
lineno=node.lineno))
if isinstance(node, php.Assignment):
if (isinstance(node.node, php.ArrayOffset) and node.node.expr is None):
return py.Call(
py.Attribute(from_phpast(node.node.node), 'append',
py.Load(**pos(node)), **pos(node)),
[from_phpast(node.expr)], [], None, None, **pos(node))
return py.Assign([store(from_phpast(node.node))],
from_phpast(node.expr), **pos(node))
if isinstance(node, php.ListAssignment):
return py.Assign([
py.Tuple(map(store, map(from_phpast, node.nodes)),
py.Store(**pos(node)), **pos(node))
], from_phpast(node.expr), **pos(node))
if isinstance(node, php.AssignOp):
return from_phpast(
php.Assignment(node.left,
php.BinaryOp(node.op[:-1],
node.left,
node.right,
lineno=node.lineno),
False,
lineno=node.lineno))
if isinstance(node, (php.PreIncDecOp, php.PostIncDecOp)):
return from_phpast(
php.Assignment(node.expr,
php.BinaryOp(node.op[0],
node.expr,
1,
lineno=node.lineno),
False,
lineno=node.lineno))
if isinstance(node, php.ArrayOffset):
return py.Subscript(from_phpast(node.node),
py.Index(from_phpast(node.expr), **pos(node)),
py.Load(**pos(node)), **pos(node))
if isinstance(node, php.ObjectProperty):
if isinstance(node.name, php.Variable):
return py.Call(
py.Name('getattr', py.Load(**pos(node)), **pos(node)),
[from_phpast(node.node),
from_phpast(node.name)], [], None, None, **pos(node))
return py.Attribute(from_phpast(node.node), node.name,
py.Load(**pos(node)), **pos(node))
if isinstance(node, php.Constant):
name = node.name
if name.lower() == 'true': name = 'True'
if name.lower() == 'false': name = 'False'
if name.lower() == 'null': name = 'None'
return py.Name(name, py.Load(**pos(node)), **pos(node))
if isinstance(node, php.Variable):
name = node.name[1:]
if name == 'this': name = 'self'
return py.Name(name, py.Load(**pos(node)), **pos(node))
if isinstance(node, php.Global):
return py.Global([var.name[1:] for var in node.nodes], **pos(node))
if isinstance(node, php.Include):
once = py.Name('True' if node.once else 'False', py.Load(**pos(node)),
**pos(node))
return py.Call(py.Name('include', py.Load(**pos(node)), **pos(node)),
[from_phpast(node.expr), once], [], None, None,
**pos(node))
if isinstance(node, php.Require):
once = py.Name('True' if node.once else 'False', py.Load(**pos(node)),
**pos(node))
return py.Call(py.Name('require', py.Load(**pos(node)), **pos(node)),
[from_phpast(node.expr), once], [], None, None,
**pos(node))
if isinstance(node, php.UnaryOp):
op = unary_ops.get(node.op)
assert op is not None, "unknown unary operator: '%s'" % node.op
op = op(**pos(node))
return py.UnaryOp(op, from_phpast(node.expr), **pos(node))
if isinstance(node, php.BinaryOp):
if node.op == '.':
pattern, pieces = build_format(node.left, node.right)
if pieces:
return py.BinOp(
py.Str(pattern, **pos(node)), py.Mod(**pos(node)),
py.Tuple(map(from_phpast, pieces), py.Load(**pos(node)),
**pos(node)), **pos(node))
else:
return py.Str(pattern % (), **pos(node))
if node.op in bool_ops:
op = bool_ops[node.op](**pos(node))
return py.BoolOp(op,
[from_phpast(node.left),
from_phpast(node.right)], **pos(node))
if node.op in cmp_ops:
op = cmp_ops[node.op](**pos(node))
return py.Compare(from_phpast(node.left), [op],
[from_phpast(node.right)], **pos(node))
op = binary_ops.get(node.op)
assert op is not None, "unknown binary operator: '%s'" % node.op
op = op(**pos(node))
return py.BinOp(from_phpast(node.left), op, from_phpast(node.right),
**pos(node))
if isinstance(node, php.TernaryOp):
return py.IfExp(from_phpast(node.expr), from_phpast(node.iftrue),
from_phpast(node.iffalse), **pos(node))
if isinstance(node, php.Cast):
return py.Call(
py.Name(casts.get(node.type, node.type), py.Load(**pos(node)),
**pos(node)), [from_phpast(node.expr)], [], None, None,
**pos(node))
if isinstance(node, php.If):
orelse = []
if node.else_:
for else_ in map(from_phpast, deblock(node.else_.node)):
orelse.append(to_stmt(else_))
for elseif in reversed(node.elseifs):
orelse = [
py.If(from_phpast(elseif.expr),
map(to_stmt, map(from_phpast, deblock(elseif.node))),
orelse, **pos(node))
]
return py.If(from_phpast(node.expr),
map(to_stmt, map(from_phpast, deblock(node.node))),
orelse, **pos(node))
if isinstance(node, php.For):
assert node.test is None or len(node.test) == 1, \
'only a single test is supported in for-loops'
return from_phpast(
php.Block((node.start or []) + [
php.While(node.test[0] if node.test else 1,
php.Block(deblock(node.node) + (node.count or []),
lineno=node.lineno),
lineno=node.lineno)
],
lineno=node.lineno))
if isinstance(node, php.Foreach):
if node.keyvar is None:
target = py.Name(node.valvar.name[1:], py.Store(**pos(node)),
**pos(node))
else:
target = py.Tuple([
py.Name(node.keyvar.name[1:], py.Store(**pos(node))),
py.Name(node.valvar.name[1:], py.Store(**pos(node)))
], py.Store(**pos(node)), **pos(node))
return py.For(target, from_phpast(node.expr),
map(to_stmt, map(from_phpast, deblock(node.node))), [],
**pos(node))
if isinstance(node, php.While):
return py.While(from_phpast(node.expr),
map(to_stmt, map(from_phpast, deblock(node.node))), [],
**pos(node))
if isinstance(node, php.DoWhile):
condition = php.If(php.UnaryOp('!', node.expr, lineno=node.lineno),
php.Break(None, lineno=node.lineno), [],
None,
lineno=node.lineno)
return from_phpast(
php.While(1,
php.Block(deblock(node.node) + [condition],
lineno=node.lineno),
lineno=node.lineno))
if isinstance(node, php.Try):
return py.TryExcept(map(to_stmt, map(from_phpast, node.nodes)), [
py.ExceptHandler(
py.Name(catch.class_, py.Load(**pos(node)), **pos(node)),
store(from_phpast(catch.var)),
map(to_stmt, map(from_phpast, catch.nodes)), **pos(node))
for catch in node.catches
], [], **pos(node))
if isinstance(node, php.Throw):
return py.Raise(from_phpast(node.node), None, None, **pos(node))
if isinstance(node, php.Function):
args = []
defaults = []
for param in node.params:
args.append(
py.Name(param.name[1:], py.Param(**pos(node)), **pos(node)))
if param.default is not None:
defaults.append(from_phpast(param.default))
body = map(to_stmt, map(from_phpast, node.nodes))
if not body: body = [py.Pass(**pos(node))]
return py.FunctionDef(node.name,
py.arguments(args, None, None, defaults), body,
[], **pos(node))
if isinstance(node, php.Method):
args = []
defaults = []
decorator_list = []
if 'static' in node.modifiers:
decorator_list.append(
py.Name('classmethod', py.Load(**pos(node)), **pos(node)))
args.append(py.Name('cls', py.Param(**pos(node)), **pos(node)))
else:
args.append(py.Name('self', py.Param(**pos(node)), **pos(node)))
for param in node.params:
args.append(
py.Name(param.name[1:], py.Param(**pos(node)), **pos(node)))
if param.default is not None:
defaults.append(from_phpast(param.default))
body = map(to_stmt, map(from_phpast, node.nodes))
if not body: body = [py.Pass(**pos(node))]
return py.FunctionDef(node.name,
py.arguments(args, None, None, defaults), body,
decorator_list, **pos(node))
if isinstance(node, php.Class):
name = node.name
bases = []
extends = node.extends or 'object'
bases.append(py.Name(extends, py.Load(**pos(node)), **pos(node)))
body = map(to_stmt, map(from_phpast, node.nodes))
for stmt in body:
if (isinstance(stmt, py.FunctionDef)
and stmt.name in (name, '__construct')):
stmt.name = '__init__'
if not body: body = [py.Pass(**pos(node))]
return py.ClassDef(name, bases, body, [], **pos(node))
if isinstance(node, (php.ClassConstants, php.ClassVariables)):
assert len(node.nodes) == 1, \
'only one class-level assignment supported per line'
if isinstance(node.nodes[0], php.ClassConstant):
name = php.Constant(node.nodes[0].name, lineno=node.lineno)
else:
name = php.Variable(node.nodes[0].name, lineno=node.lineno)
initial = node.nodes[0].initial
if initial is None:
initial = php.Constant('None', lineno=node.lineno)
return py.Assign([store(from_phpast(name))], from_phpast(initial),
**pos(node))
if isinstance(node, (php.FunctionCall, php.New)):
if isinstance(node.name, basestring):
name = py.Name(node.name, py.Load(**pos(node)), **pos(node))
else:
name = py.Subscript(
py.Call(py.Name('vars', py.Load(**pos(node)), **pos(node)), [],
[], None, None, **pos(node)),
py.Index(from_phpast(node.name), **pos(node)),
py.Load(**pos(node)), **pos(node))
args, kwargs = build_args(node.params)
return py.Call(name, args, kwargs, None, None, **pos(node))
if isinstance(node, php.MethodCall):
args, kwargs = build_args(node.params)
return py.Call(
py.Attribute(from_phpast(node.node), node.name,
py.Load(**pos(node)), **pos(node)), args, kwargs,
None, None, **pos(node))
if isinstance(node, php.StaticMethodCall):
class_ = node.class_
if class_ == 'self': class_ = 'cls'
args, kwargs = build_args(node.params)
return py.Call(
py.Attribute(py.Name(class_, py.Load(**pos(node)),
**pos(node)), node.name, py.Load(**pos(node)),
**pos(node)), args, kwargs, None, None, **pos(node))
if isinstance(node, php.StaticProperty):
class_ = node.node
name = node.name
if isinstance(name, php.Variable):
name = name.name[1:]
return py.Attribute(py.Name(class_, py.Load(**pos(node)), **pos(node)),
name, py.Load(**pos(node)), **pos(node))
return py.Call(py.Name('XXX', py.Load(**pos(node)),
**pos(node)), [py.Str(str(node), **pos(node))], [],
None, None, **pos(node))
self.scope_stack.pop(-1)
return rv
if isinstance(node, php.Static):
assert len(node.nodes) == 1, "can't handle more than 1 static"
node = node.nodes[0]
self.add_static(node.name[1:])
name = node.name
initial = node.initial
lineno = node.lineno
node = php.Block([
php.Global([php.Variable(name, lineno=lineno)],
lineno = lineno),
php.If(
php.UnaryOp("!",
php.IsSet([php.Variable(name, lineno=lineno)],
lineno=lineno),
lineno=lineno),
php.Assignment(
php.Variable(name, lineno=lineno),
initial,
False, lineno=lineno),
[],
None,
lineno=node.lineno)
],lineno = lineno)
return self.from_phpast(node)
if isinstance(node, php.Class):
name = node.name
bases = []
extends = []