def apply_fncall_follower(self, factor, follower, local):
if VERBOSE >= VERBOSITY_SHOW_FN_CALLS:
print "Calling %s\n on %s"%(follower.prepr(), factor)
func_name=factor
factor = self.get_val(factor)
if type(factor) is str:
func_name = factor
if factor in self.globals:
factor = self.globals[factor]
else:
raise ExecuteError("Function %s does not exists", factor)
if factor is None:
if isinstance(func_name, VarRef):
func_name = func_name.qualified_name()
func_type = 'method' if '::' in func_name or '->' in func_name else 'function'
self.report_error(constants.E_ERROR, 'Call to undefined %s %s() in %s on line %d'%(func_type, func_name, follower.filename, follower.line_num))
raise ExecuteError("null is not callable.")
elif isinstance(factor, phpbuiltins.builtin.builtin):
args = [ self.visit(x, local) for x in follower.children[0].children]
if VERBOSE >= VERBOSITY_SHOW_FN_CALLS:
print "calling builtin %r with %r"%(factor, args)
retval = factor(args, self, local)
else:
args = [ self.get_val(self.visit(x, local)) for x in follower.children[0].children]
if VERBOSE >= VERBOSITY_SHOW_FN_CALLS:
print "calling %r with %r"%(factor, args)
retval = factor(*args, filename=follower.filename, line_num=follower.line_num)
# print "Return value : ", retval
return retval
def apply_follower(self, factor, follower, local):
# print follower
follower_fn = "apply_%s_follower"%follower.name
if hasattr(self, follower_fn):
return getattr(self, follower_fn)(factor, follower, local)
else:
raise ExecuteError("Unknown follower for %s."%follower.prepr())
def exec_primitive(self, node, local):
subnode = node.children[0]
if isinstance(subnode, parser.Token):
token = subnode
if token[0] in (parser.TOKEN_STRING, parser.TOKEN_NUMBER):
return token[1]
elif token[0] == parser.TOKEN_IDENTIFIER:
lcaseid = token[1].lower()
if lcaseid in primitives:
return primitives[lcaseid]
else:
return VarRef(token[1], self, local)
elif token[0] == parser.TOKEN_VARIABLE:
# print "Var Ref %r on %r with %r"%(token[1], self, local.prepr())
return VarRef(token[1], self, local)
elif token[0] == parser.TOKEN_INTERPOLATED_STRING:
text = ''.join([
coerce.to_string(
self.get_val(self.visit(x, local)) if isinstance(
x, compiler.TreeNode) else x) for x in token[1]
])
return text
elif isinstance(subnode, compiler.TreeNode):
return self.visit(subnode, local)
raise ExecuteError("invalid primitive %r" % subnode)
def exec_classdef(self, node, local):
print "%"*100
cls_name, scls_name, body = node.children
if scls_name and not scls_name[1] in local:
raise ExecuteError("Undefined superclass %s"%scls_name[1])
class_context = scope({}, local, name=cls_name[1])
if body:
body = self.visit(body, class_context)
defined_class = phpclass.PHPClass(cls_name[1], local[scls_name[1]] if scls_name else None, body, class_context, filename=node.filename, line_num=node.line_num)
#print "class %s defined"%defined_class
#print "%"*100
self.globals[defined_class.name] = defined_class
return defined_class
def apply_array_indexing_follower(self, factor, follower, local):
index = self.get_val(self.visit(follower.children[0], local))
if isinstance(factor, VarRef):
return factor[index]
else:
raise ExecuteError("Cannot index %r "%factor)
def set_val(self, var_ref, value):
if isinstance(var_ref, VarRef):
return var_ref.set(value)
else:
raise ExecuteError("Cannot assign %r to %r"%(var_ref, value))
def visit_default(self, tree_node, local_dict=None):
if VERBOSE >= VERBOSITY_SHOW_DEBUG:
print tree_node.prepr()
raise ExecuteError("Cannot visit node %r, visitor method 'exec_%s' not found.\n"%(tree_node.name, tree_node.name))