# Data files
TRAIN_FILE = "data/train.txt"
DEV_FILE = "data/dev.txt"
TEST_FILE = "data/test-hidden.txt"
PRETRAINED_EMBEDS_FILE = "data/pretrained-embeds.pkl"

# Prediction output files
D3_2_DEV_FILENAME = "3_2-dev.preds"
D3_2_TEST_FILENAME = "3_2-test.preds"
D4_4_DEV_FILENAME = "4_4-dev.preds"
D4_4_TEST_FILENAME = "4_4-test.preds"

# Keys
DEV_GOLD = "data/dev.key"

class Actions:
    """Simple Enum for each possible parser action"""
    SHIFT = 0
    REDUCE_L = 1
    REDUCE_R = 2

    NUM_ACTIONS = 3

    action_to_ix = { "SHIFT": SHIFT,
                     "REDUCE_L": REDUCE_L,
                     "REDUCE_R": REDUCE_R }

END_OF_INPUT_TOK = "<END-OF-INPUT>"
NULL_STACK_TOK = "<NULL-STACK>"
ROOT_TOK = "<ROOT>"

HAVE_CUDA = False