import t
from linkedlist import GSListNode
import memhub

# ============================================================
# G4Node: test class inheriting GSListNode[G4Node] (in includes, so it uses
# the Phase1 path); flattened it must have 6 fields: Next + 5 own fields.
# ============================================================

@t.NoVTable
class G4Node(GSListNode[G4Node]):
    Ty: t.CPtr             # mirrors Value.Ty
    Name: t.CPtr           # mirrors Value.Name
    IsConst: int        # mirrors Value.IsConst
    IntVal: int64      # mirrors Value.IntVal
    FloatVal: double    # mirrors Value.FloatVal

    def __init__(self):
        self.Ty = None
        self.Name = None
        self.IsConst = 0
        self.IntVal = 0
        self.FloatVal = 0.0
        self.Next = None


# factory function (similar to new_value in __values.py)
def new_g4node(pool: memhub.MemBuddy*) -> G4Node*:
    ptr: G4Node* = pool.alloc(48)
    if ptr:
        ptr.Ty = None
        ptr.Name = None
        ptr.IsConst = 0
        ptr.IntVal = 0
        ptr.FloatVal = 0.0
        ptr.Next = None
    return ptr


def g4node_get_next(node: G4Node*) -> G4Node*:
    return node.Next


def g4node_set_next(node: G4Node*, next_node: G4Node*):
    node.Next = next_node