def getSortKeyReader(self, context, key):
if key is None:
key = UnresolvedIdentifier("key", Dialect.M)
decl = self.getDeclaration(context)
if decl.hasAttribute(context, str(key)):
return self.getAttributeSortKeyReader(context, str(key))
elif decl.hasMethod(context, str(key)):
return self.getMemberMethodSortKeyReader(context, str(key))
elif self.globalMethodExists(context, str(key)):
return self.getGlobalMethodSortKeyReader(context, str(key))
elif isinstance(key, ArrowExpression):
return key.getSortKeyReader(context, self)
else:
return self.getExpressionSortKeyReader(context, key)
def check(self, context):
expression = self.expression
if isinstance(expression, UnresolvedSelector):
parent = expression.parent
if parent is not None:
typ = parent.check(context)
if isinstance(typ, CategoryType):
expression = UnresolvedIdentifier(expression.name, Dialect.O)
context = context.newInstanceContext(None, typ, True)
else:
raise SyntaxError("Not a method: " + str(self.expression))
if isinstance(expression, UnresolvedIdentifier):
name = expression.name
named = context.getRegistered(name)
if isinstance(named, MethodDeclarationMap):
method = named.getFirst()
return MethodType(method)
else:
raise SyntaxError("No method with name:" + name)
else:
return SyntaxError("Not implemented !")
def interpret(self, context):
expression = self.expression
if isinstance(expression, UnresolvedSelector):
parent = expression.parent
if parent is not None:
value = parent.interpret(context)
if isinstance(value, IInstance):
expression = UnresolvedIdentifier(expression.name, Dialect.O)
context = context.newInstanceContext(value, None, True)
else:
return NullValue.instance
if isinstance(expression, UnresolvedIdentifier):
name = expression.name
if context.hasValue(name):
return context.getValue(name)
else:
named = context.getRegistered(name)
if isinstance(named, MethodDeclarationMap):
decl = named.getFirst()
return ClosureValue(context, MethodType(decl))
else:
raise SyntaxError("No method with name:" + name)
def toInstanceExpression(self):
if self.parent is None:
from prompto.expression.UnresolvedIdentifier import UnresolvedIdentifier
return UnresolvedIdentifier(self.name)
else:
return MemberSelector(self.parent, self.name)