static void declare(AST_Node node)
{
if (node.result?.dType != null)
{
skipSymbol(node);
return;
}
var enclosureNode = (AST_Scope)enclosure.node;
var declaration = (AST_Declaration)node;
DataType allocType = declaration.typeFrom.result.dType;
// Has to be instantiable
if ((allocType.flags & DataType.Flags.INSTANTIABLE) == 0)
{
throw Jolly.addError(node.location, "The type {0} is not instantiable.".fill(allocType));
}
switch (enclosure.type)
{
case NT.FUNCTION:
case NT.GLOBAL: {
var alloc = new IR_Allocate {
dType = allocType
};
declaration.symbol.declaration = alloc;
declaration.result = instructions.Add(alloc);
// Variable is an argument
if (context.kind == Context.Kind.FUNCTION_DECLARATION)
{
var function = (AST_Function)enclosure.node;
var functionType = (DataType_Function)function.result.dType;
functionType.arguments[function.finishedArguments] = allocType;
function.finishedArguments += 1;
cursor = enclosure.end;
}
} break;
case NT.STRUCT: {
((DataType_Struct)enclosureNode.result.dType).finishDefinition(declaration.text, allocType);
} break;
default: throw Jolly.addError(declaration.location, "Cannot define a variable here");
}
if (allocType == Lookup.AUTO)
{
declaration.infer = inferAutoVariable;
contextStack.Push(new Context(declaration.memberCount + cursor, Context.Kind.DECLARATION)
{
target = declaration
});
}
}
static IR packTuple(AST_Tuple tuple, DataType_Tuple tupleType)
{
IR_Allocate alloc = new IR_Allocate {
dType = tupleType
};
tuple.values.forEach((val, i) => {
IR member = instructions.Add(IR.getMember(alloc, tupleType.members[i], i));
instructions.Add(IR.operation <IR_Assign>(member, val.result, null));
});
return(alloc);
}