public override void EmitPushValue(DMObject dmObject, DMProc proc)
{
Expr.EmitPushValue(dmObject, proc);
proc.BinaryNot();
}
public override (DMReference Reference, bool Conditional) EmitReference(DMObject dmObject, DMProc proc)
{
return(DMReference.Args, false);
}
public override (DMReference Reference, bool Conditional) EmitReference(DMObject dmObject, DMProc proc)
{
if (dmObject.HasProc(_identifier))
{
return(DMReference.CreateSrcProc(_identifier), false);
}
else if (DMObjectTree.TryGetGlobalProc(_identifier, out _))
{
return(DMReference.CreateGlobalProc(_identifier), false);
}
throw new CompileErrorException(Location, $"Type {dmObject.Path} does not have a proc named \"{_identifier}\"");
}
public override (DMReference Reference, bool Conditional) EmitReference(DMObject dmObject, DMProc proc)
{
return(DMReference.CreateSrcField(Variable.Name), false);
}
public override void EmitPushInitial(DMObject dmObject, DMProc proc)
{
// This happens silently in BYOND
DMCompiler.Warning(new CompilerWarning(Location, "calling initial() on a global returns the current value"));
EmitPushValue(dmObject, proc);
}
public override void EmitPushValue(DMObject dmObject, DMProc proc)
{
proc.PushPath(Value);
}
public override void EmitPushInitial(DMObject dmObject, DMProc proc)
{
proc.PushReferenceValue(DMReference.Src);
proc.Initial(Variable.Name);
}
public override void EmitPushValue(DMObject dmObject, DMProc proc)
{
P.EmitPushValue(dmObject, proc);
proc.Prob();
}
public override void EmitPushValue(DMObject dmObject, DMProc proc)
{
_expr.EmitPushValue(dmObject, proc);
proc.PushPath(_path);
proc.IsType();
}
public void EmitPushIsSaved(DMObject dmObject, DMProc proc)
{
_expr.EmitPushValue(dmObject, proc);
proc.IsSaved(PropertyName);
}
public override (DMReference Reference, bool Conditional) EmitReference(DMObject dmObject, DMProc proc)
{
_expr.EmitPushValue(dmObject, proc);
return(DMReference.CreateField(PropertyName), _conditional);
}
public override void EmitPushInitial(DMObject dmObject, DMProc proc)
{
_expr.EmitPushValue(dmObject, proc);
proc.Initial(PropertyName);
}
public override (DMReference Reference, bool Conditional) EmitReference(DMObject dmObject, DMProc proc)
{
_expr.EmitPushValue(dmObject, proc);
_index.EmitPushValue(dmObject, proc);
return(DMReference.ListIndex, _conditional);
}
public abstract void EmitOp(DMObject dmObject, DMProc proc, DMReference reference);
public override void EmitPushValue(DMObject dmObject, DMProc proc)
{
proc.PushNull();
}
public override void EmitPushValue(DMObject dmObject, DMProc proc)
{
throw new CompileErrorException(Location, "invalid use of arglist");
}
public override void EmitPushValue(DMObject dmObject, DMProc proc)
{
proc.PushResource(Value);
}
public void EmitPushArglist(DMObject dmObject, DMProc proc)
{
_expr.EmitPushValue(dmObject, proc);
proc.PushArgumentList();
}
internal DMVisitorExpression(DMObject dmObject, DMProc proc, DreamPath?inferredPath)
{
_dmObject = dmObject;
_proc = proc;
_inferredPath = inferredPath;
}
public override void EmitPushValue(DMObject dmObject, DMProc proc)
{
Expr.EmitPushValue(dmObject, proc);
Arguments.EmitPushArguments(dmObject, proc);
proc.CreateObject();
}
public void EmitPushIsSaved(DMProc proc)
{
proc.PushReferenceValue(DMReference.Src);
proc.IsSaved(Variable.Name);
}
public override void EmitPushValue(DMObject dmObject, DMProc proc)
{
proc.PushPath(TargetPath);
Arguments.EmitPushArguments(dmObject, proc);
proc.CreateObject();
}
public void EmitPushIsSaved(DMProc proc)
{
throw new CompileErrorException(Location, "issaved() on globals is unimplemented");
}
public void ProcessProcDefinition(DMASTProcDefinition procDefinition)
{
string procName = procDefinition.Name;
DMObject dmObject = _currentObject;
try {
if (procDefinition.ObjectPath.HasValue)
{
dmObject = DMObjectTree.GetDMObject(_currentObject.Path.Combine(procDefinition.ObjectPath.Value));
}
if (!procDefinition.IsOverride && dmObject.HasProc(procName))
{
throw new CompileErrorException(procDefinition.Location, $"Type {dmObject.Path} already has a proc named \"{procName}\"");
}
DMProc proc = new DMProc(procDefinition);
if (procDefinition.ObjectPath == null)
{
if (DMObjectTree.TryGetGlobalProc(procDefinition.Name, out _))
{
throw new CompileErrorException(new CompilerError(procDefinition.Location, $"proc {procDefinition.Name} is already defined in global scope"));
}
DMObjectTree.AddGlobalProc(procDefinition.Name, proc);
}
else
{
dmObject.AddProc(procName, proc);
}
if (procDefinition.Body != null)
{
foreach (var stmt in GetStatements(procDefinition.Body))
{
// TODO multiple var definitions.
if (stmt is DMASTProcStatementVarDeclaration varDeclaration && varDeclaration.IsGlobal)
{
DMVariable variable = proc.CreateGlobalVariable(varDeclaration.Type, varDeclaration.Name, varDeclaration.IsConst);
variable.Value = new Expressions.Null(varDeclaration.Location);
if (varDeclaration.Value != null)
{
DMVisitorExpression._scopeMode = "static";
DMExpression expression = DMExpression.Create(_currentObject, DMObjectTree.GlobalInitProc, varDeclaration.Value, varDeclaration.Type);
DMVisitorExpression._scopeMode = "normal";
DMObjectTree.AddGlobalInitAssign(dmObject, proc.GetGlobalVariableId(varDeclaration.Name).Value, expression);
}
}
}
}
if (procDefinition.IsVerb && (dmObject.IsSubtypeOf(DreamPath.Atom) || dmObject.IsSubtypeOf(DreamPath.Client)) && !DMCompiler.Settings.NoStandard)
{
Expressions.Field field = new Expressions.Field(Location.Unknown, dmObject.GetVariable("verbs"));
DreamPath procPath = new DreamPath(".proc/" + procName);
Expressions.Append append = new Expressions.Append(Location.Unknown, field, new Expressions.Path(Location.Unknown, procPath));
dmObject.InitializationProcExpressions.Add(append);
}
} catch (CompileErrorException e) {
DMCompiler.Error(e.Error);
}
}
public virtual void EmitPushInitial(DMObject dmObject, DMProc proc)
{
throw new CompileErrorException(Location, $"Can't get initial value of {this}");
}
public override (DMReference Reference, bool Conditional) EmitReference(DMObject dmObject, DMProc proc)
{
if (!DMObjectTree.TryGetGlobalProc(_name, out _))
{
throw new CompileErrorException(Location, $"There is no global proc named \"{_name}\"");
}
return(DMReference.CreateGlobalProc(_name), false);
}
public override (DMReference Reference, bool Conditional) EmitReference(DMObject dmObject, DMProc proc)
{
return(DMReference.CreateLocal(LocalVar.Id), false);
}
public override (DMReference Reference, bool Conditional) EmitReference(DMObject dmObject, DMProc proc)
{
if ((proc.Attributes & ProcAttributes.IsOverride) != ProcAttributes.IsOverride)
{
DMCompiler.Warning(new CompilerWarning(Location, "Calling parents via ..() in a proc definition does nothing"));
}
return(DMReference.SuperProc, false);
}
public override void EmitPushValue(DMObject dmObject, DMProc proc)
{
throw new CompileErrorException(Location, "attempt to use proc as value");
}
public override void EmitPushValue(DMObject dmObject, DMProc proc)
{
Expr.EmitPushValue(dmObject, proc);
proc.Negate();
}