internal void EnsureParameters(FunctionAnalysisUnit unit) {
var astParams = Function.FunctionDefinition.Parameters;
for (int i = 0; i < astParams.Count; ++i) {
VariableDef param;
if (!TryGetVariable(astParams[i].Name, out param)) {
if (astParams[i].Kind == ParameterKind.List) {
param = _seqParameters = _seqParameters ?? new ListParameterVariableDef(unit, astParams[i]);
} else if (astParams[i].Kind == ParameterKind.Dictionary) {
param = _dictParameters = _dictParameters ?? new DictParameterVariableDef(unit, astParams[i]);
} else {
param = new LocatedVariableDef(unit.ProjectEntry, astParams[i]);
}
AddVariable(astParams[i].Name, param);
}
}
}
public VariableDef AddLocatedVariable(string name, Node location, AnalysisUnit unit, ParameterKind paramKind = ParameterKind.Normal) {
VariableDef value;
if (!TryGetVariable(name, out value)) {
VariableDef def;
switch (paramKind) {
case ParameterKind.List: def = new ListParameterVariableDef(unit, location); break;
case ParameterKind.Dictionary: def = new DictParameterVariableDef(unit, location); break;
default: def = new LocatedVariableDef(unit.DeclaringModule.ProjectEntry, location); break;
}
return AddVariable(name, def);
} else if (!(value is LocatedVariableDef)) {
VariableDef def;
switch (paramKind) {
case ParameterKind.List: def = new ListParameterVariableDef(unit, location, value); break;
case ParameterKind.Dictionary: def = new DictParameterVariableDef(unit, location, value); break;
default: def = new LocatedVariableDef(unit.DeclaringModule.ProjectEntry, location, value); break;
}
return AddVariable(name, def);
} else {
((LocatedVariableDef)value).Node = location;
((LocatedVariableDef)value).DeclaringVersion = unit.ProjectEntry.AnalysisVersion;
}
return value;
}