public void VisitIdentifier(DMASTIdentifier identifier)
{
var name = identifier.Identifier;
switch (name)
{
case "src":
Result = new Expressions.Src(identifier.Location, _dmObject.Path);
break;
case "usr":
Result = new Expressions.Usr(identifier.Location);
break;
case "args":
Result = new Expressions.Args(identifier.Location);
break;
default:
{
DMProc.LocalVariable localVar = _proc?.GetLocalVariable(name);
if (localVar != null && _scopeMode == "normal")
{
Result = new Expressions.Local(identifier.Location, localVar);
return;
}
int?procGlobalId = _proc?.GetGlobalVariableId(name);
if (procGlobalId != null)
{
Result = new Expressions.GlobalField(identifier.Location, DMObjectTree.Globals[procGlobalId.Value].Type, procGlobalId.Value);
return;
}
var field = _dmObject?.GetVariable(name);
if (field != null && _scopeMode == "normal")
{
Result = new Expressions.Field(identifier.Location, field);
return;
}
int?globalId = _dmObject?.GetGlobalVariableId(name);
if (globalId != null)
{
Result = new Expressions.GlobalField(identifier.Location, DMObjectTree.Globals[globalId.Value].Type, globalId.Value);
return;
}
throw new CompileErrorException(identifier.Location, $"Unknown identifier \"{name}\"");
}
}
}
public Local(Location location, DMProc.LocalVariable localVar)
: base(location, localVar.Type)
{
LocalVar = localVar;
}
