def populateError(self, e, context):
error = e.getExpression(context)
if error == None:
exp = ConstructorExpression(CategoryType("Error"), None, None)
args = ArgumentList()
args.append(Argument(UnresolvedParameter("name"), TextLiteral(type(e).__name__)))
args.append(Argument(UnresolvedParameter("text"), TextLiteral(e.getMessage())))
exp.setArguments(args)
error = exp
if context.getRegisteredValue(INamedInstance, self.errorName) == None:
context.registerValue(ErrorVariable(self.errorName))
if isinstance(error, IExpression):
error = error.interpret(context)
context.setValue(self.errorName, error)
return error
def buildArguments(method, cmdLineArgs):
arguments = ArgumentList()
if len(method.parameters) == 1:
name = method.parameters[0].getName()
value = Interpreter.parseCmdLineArgs(cmdLineArgs)
arguments.append(Argument(UnresolvedParameter(name), value))
return arguments
def toODialect(self, writer):
self.itype.toDialect(writer)
arguments = ArgumentList()
if self.copyFrom is not None:
from prompto.param.AttributeParameter import AttributeParameter
arguments.append(
Argument(AttributeParameter("from"), self.copyFrom))
if self.arguments is not None:
arguments.extend(self.arguments)
arguments.toDialect(writer)
def globalMethodExists(self, context, name):
from prompto.statement.MethodCall import MethodCall
from prompto.runtime.MethodFinder import MethodFinder
try:
exp = ValueExpression(self, self.newInstance(context))
arg = Argument(None, exp)
args = ArgumentList(items=[arg])
proto = MethodCall(MethodSelector(name), args)
finder = MethodFinder(context, proto)
return finder.findBest(True) is not None
except PromptoError:
return False
def getGlobalMethodSortKeyReader(self, context, name):
from prompto.statement.MethodCall import MethodCall
exp = ValueExpression(self, self.newInstance(context))
arg = Argument(None, exp)
args = ArgumentList(items=[arg])
call = MethodCall(MethodSelector(name), args)
def keyGetter(o):
argument = call.arguments[0]
argument.setExpression(ValueExpression(self, o))
return call.interpret(context)
return keyGetter
def interpret(self, context, errorName):
exp = self.getExpression(context)
if exp is None:
from prompto.grammar.Argument import Argument
from prompto.grammar.ArgumentList import ArgumentList
from prompto.expression.ConstructorExpression import ConstructorExpression
from prompto.param.UnresolvedParameter import UnresolvedParameter
from prompto.literal.TextLiteral import TextLiteral
from prompto.type.CategoryType import CategoryType
args = ArgumentList()
args.append(
Argument(UnresolvedParameter("name"),
TextLiteral(type(self).__name__)))
args.append(
Argument(UnresolvedParameter("text"),
TextLiteral(self.message)))
exp = ConstructorExpression(CategoryType("Error"), args, None)
if context.getRegisteredValue(object, errorName) is None:
from prompto.runtime.ErrorVariable import ErrorVariable
context.registerValue(ErrorVariable(errorName))
error = exp.interpret(context)
context.setValue(errorName, error)
return error
def checkLastAnd(self):
argument = self[-1]
if argument is not None and argument.getParameter(
) is not None and isinstance(argument.getExpression(), AndExpression):
_and = argument.getExpression()
from prompto.expression.UnresolvedIdentifier import UnresolvedIdentifier
if isinstance(_and.left, UnresolvedIdentifier):
name = _and.left.name
if name[0].islower():
del self[-1]
# add AttributeArgument
parameter = AttributeParameter(name)
attribute = Argument(parameter, None)
self.append(attribute)
# fix last assignment
argument.setExpression(_and.right)
self.append(argument)
def isAssignableTo(self, context, arguments, checkInstance):
from prompto.grammar.ArgumentList import ArgumentList
try:
local = context.newLocalContext()
self.registerArguments(local)
argumentsList = ArgumentList(items=arguments)
for argument in self.parameters:
found = argumentsList.find(argument.getName())
toRemove = found
if found is None: # missing argument
if argument.defaultExpression is None:
return False
found = Argument(argument, argument.defaultExpression)
if not self.isArgAssignableTo(local, argument, found, checkInstance):
return False
if toRemove is not None:
argumentsList.remove(toRemove)
return len(argumentsList)==0
except SyntaxError:
return False
