public static LNode defineId(LNode node, IMacroContext context)
{
if (node.Args[0, LNode.Missing].Name != _define)
{
return(null);
}
LNode defineKw, macroId, args, body, initialValue;
if (!EcsValidators.IsPropertyDefinition(node, out defineKw, out macroId, out args, out body, out initialValue) ||
body == null || args.ArgCount != 0 || initialValue != null)
{
return(null);
}
return(RegisterSimpleMacro(node.Attrs, macroId, body, context));
}
public LNode EliminateBlockExprs(LNode stmt, bool isDeclContext)
{
LNode retType, name, argList, bases, body, initValue;
if (EcsValidators.SpaceDefinitionKind(stmt, out name, out bases, out body) != null)
{
return(body == null ? stmt : stmt.WithArgChanged(2, EliminateBlockExprs(body, true)));
}
else if (EcsValidators.MethodDefinitionKind(stmt, out retType, out name, out argList, out body, true) != null)
{
return(body == null ? stmt : stmt.WithArgChanged(3, EliminateBlockExprs(body, false)));
}
else if (EcsValidators.IsPropertyDefinition(stmt, out retType, out name, out argList, out body, out initValue))
{
stmt = stmt.WithArgChanged(3, EliminateBlockExprs(body, false));
if (initValue != null)
{
var initMethod = EliminateRunSeqFromInitializer(retType, name, ref initValue);
if (initMethod != null)
{
stmt = stmt.WithArgChanged(4, initValue);
return(LNode.Call(CodeSymbols.Splice, LNode.List(stmt, initMethod)));
}
}
return(stmt);
}
else if (!isDeclContext)
{
return(EliminateBlockExprsInExecStmt(stmt));
}
else if (stmt.CallsMin(S.Var, 2))
{
var results = new List <LNode> {
stmt
};
var vars = stmt.Args;
var varType = vars[0];
for (int i = 1; i < vars.Count; i++)
{
{
var tmp_1 = vars[i];
if (tmp_1.Calls(CodeSymbols.Assign, 2) && (name = tmp_1.Args[0]) != null && (initValue = tmp_1.Args[1]) != null)
{
var initMethod = EliminateRunSeqFromInitializer(varType, name, ref initValue);
if (initMethod != null)
{
results.Add(initMethod);
vars[i] = vars[i].WithArgChanged(1, initValue);
}
}
}
}
if (results.Count > 1)
{
results[0] = stmt.WithArgs(vars);
return(LNode.List(results).AsLNode(S.Splice));
}
return(stmt);
}
else
{
return(stmt);
}
}
private static bool DetectSetOrCreateMember(LNode arg, out Symbol relevantAttribute, out Symbol fieldName, out Symbol paramName, out LNode newArg, out LNode propOrFieldDecl)
{
relevantAttribute = null;
fieldName = null;
paramName = null;
newArg = null;
propOrFieldDecl = null;
LNode _, type, name, defaultValue, propArgs;
if (EcsValidators.IsPropertyDefinition(arg, out type, out name, out propArgs, out _, out defaultValue) && propArgs.ArgCount == 0)
{
// #property(Type, Name<T>, {...})
relevantAttribute = S.Property;
fieldName = EcsNodePrinter.KeyNameComponentOf(name);
paramName = ChooseArgName(fieldName);
if (defaultValue != null) // initializer is Args[4]
{
newArg = LNode.Call(S.Var, LNode.List(type, F.Assign(paramName, defaultValue)), arg);
propOrFieldDecl = arg.WithArgs(arg.Args.Initial(4));
}
else
{
newArg = LNode.Call(S.Var, LNode.List(type, F.Id(paramName)), arg);
propOrFieldDecl = arg;
}
DSOCM_DistributeAttributes(arg.Attrs, ref newArg, ref propOrFieldDecl);
return(true);
}
else if (IsVar(arg, out type, out paramName, out defaultValue))
{
int a_i = 0;
foreach (var attr in arg.Attrs)
{
if (attr.IsId)
{
var a = attr.Name;
if (a == _set || FieldCreationAttributes.Contains(a))
{
relevantAttribute = a;
fieldName = paramName;
paramName = ChooseArgName(fieldName);
if (a == _set)
{
newArg = F.Var(type, paramName, defaultValue).WithAttrs(arg.Attrs.Without(attr));
}
else
{
// in case of something like "[A] public params T arg = value",
// assume that "= value" represents a default value, not a field
// initializer. Most attributes stay on the argument.
newArg = arg.WithArgChanged(1,
defaultValue != null ? F.Assign(paramName, defaultValue) : F.Id(paramName));
propOrFieldDecl = LNode.Call(S.Var, LNode.List(type, F.Id(fieldName)), arg);
DSOCM_DistributeAttributes(arg.Attrs, ref newArg, ref propOrFieldDecl);
}
break;
}
}
a_i++;
}
return(newArg != null);
}
return(false);
}
private static bool DetectSetOrCreateMember(LNode arg, out Symbol relevantAttribute, out Symbol fieldName, out Symbol paramName, out LNode plainArg, out LNode propOrFieldDecl)
{
relevantAttribute = null;
fieldName = null;
paramName = null;
plainArg = null;
propOrFieldDecl = null;
LNode _, type, name, defaultValue, propArgs;
if (EcsValidators.IsPropertyDefinition(arg, out type, out name, out propArgs, out _, out defaultValue) && propArgs.ArgCount == 0)
{
// #property(Type, Name<T>, {...})
relevantAttribute = S.Property;
fieldName = EcsNodePrinter.KeyNameComponentOf(name);
paramName = ChooseArgName(fieldName);
if (defaultValue != null) // initializer is Args[4]
{
plainArg = F.Var(type, paramName, defaultValue);
propOrFieldDecl = arg.WithArgs(arg.Args.First(4));
}
else
{
plainArg = F.Var(type, paramName);
propOrFieldDecl = arg;
}
return(true);
}
else if (IsVar(arg, out type, out paramName, out defaultValue))
{
int a_i = 0;
foreach (var attr in arg.Attrs)
{
if (attr.IsId)
{
var a = attr.Name;
if (a == _set ||
a == S.Public || a == S.Internal || a == S.Protected || a == S.Private ||
a == S.ProtectedIn || a == S.Static || a == S.Partial)
{
relevantAttribute = a;
fieldName = paramName;
paramName = ChooseArgName(fieldName);
if (a == _set)
{
plainArg = F.Var(type, paramName, defaultValue).WithAttrs(arg.Attrs.Without(attr));
}
else
{
// in case of something like "[A] public params T arg = value",
// assume that "= value" represents a default value, not a field
// initializer, that [A] belongs on the field, except `params`
// which stays on the argument.
plainArg = F.Var(type, paramName, defaultValue);
propOrFieldDecl = arg;
if (arg.Args[1].Calls(S.Assign, 2))
{
propOrFieldDecl = arg.WithArgChanged(1,
arg.Args[1].Args[0]);
}
int i_params = arg.Attrs.IndexWithName(S.Params);
if (i_params > -1)
{
plainArg = plainArg.PlusAttr(arg.Attrs[i_params]);
propOrFieldDecl = propOrFieldDecl.WithAttrs(propOrFieldDecl.Attrs.RemoveAt(i_params));
}
}
break;
}
}
a_i++;
}
return(plainArg != null);
}
return(false);
}
public LNode EliminateSequenceExpressions(LNode stmt, bool isDeclContext)
{
LNode retType, name, argList, bases, body, initValue;
if (EcsValidators.SpaceDefinitionKind(stmt, out name, out bases, out body) != null)
{
// Space definition: class, struct, etc.
return(body == null ? stmt : stmt.WithArgChanged(2, EliminateSequenceExpressions(body, true)));
}
else if (EcsValidators.MethodDefinitionKind(stmt, out retType, out name, out argList, out body, true) != null)
{
// Method definition
return(body == null ? stmt : stmt.WithArgChanged(3, EliminateSequenceExpressionsInLambdaExpr(body, retType)));
}
else if (EcsValidators.IsPropertyDefinition(stmt, out retType, out name, out argList, out body, out initValue))
{
// Property definition
stmt = stmt.WithArgChanged(3,
body.WithArgs(part => {
if (part.ArgCount == 1 && part[0].Calls(S.Braces))
{
part = part.WithArgChanged(0, EliminateSequenceExpressions(part[0], false));
}
return(part);
}));
if (initValue != null)
{
var initMethod = EliminateRunSeqFromInitializer(retType, name, ref initValue);
if (initMethod != null)
{
stmt = stmt.WithArgChanged(4, initValue);
return(LNode.Call((Symbol)"#runSequence", LNode.List(stmt, initMethod)));
}
}
return(stmt);
}
else if (stmt.Calls(CodeSymbols.Braces))
{
return(stmt.WithArgs(EliminateSequenceExpressions(stmt.Args, isDeclContext)));
}
else if (!isDeclContext)
{
return(EliminateSequenceExpressionsInExecStmt(stmt));
}
else if (stmt.CallsMin(S.Var, 2))
{
// Eliminate blocks from field member
var results = new List <LNode> {
stmt
};
var vars = stmt.Args;
var varType = vars[0];
for (int i = 1; i < vars.Count; i++)
{
var @var = vars[i];
if (@var.Calls(CodeSymbols.Assign, 2) && (name = @var.Args[0]) != null && (initValue = @var.Args[1]) != null)
{
var initMethod = EliminateRunSeqFromInitializer(varType, name, ref initValue);
if (initMethod != null)
{
results.Add(initMethod);
vars[i] = vars[i].WithArgChanged(1, initValue);
}
}
}
if (results.Count > 1)
{
results[0] = stmt.WithArgs(vars);
return(LNode.List(results).AsLNode(__numrunSequence));
}
return(stmt);
}
else
{
return(stmt);
}
}