<commit_before>from enum import Enum
import string
from io import IOBase

from ..errors import *

#
# Constants
#

Node = None
class Node:
    links = None
    token_type = None
    verify = None

    def __init__(self, links:[(Node, "func"),] = None, token_type = None, verify = None):
        links = links or []
        self.links = links
        self.token_type = token_type
        self.verify = verify

    def evaluate(self, character):
        out = []
        for target, condition in self.links:
            if condition(character):
                out.append(target)
        return out

    def getToken(self, start, stop, value):
        if self.verify is not None:
            value = self.verify(value)

        if self.token_type is not None:
            return Token(self.token_type, start, stop, value)
        return None

    def __repr__(self):
        return "Node(token:{})".format(self.token_type, self.links)

Tokens = Enum("Tokens", [
    "comment",

    "identifier",
    "def_kwd",
    "end_kwd",
    "return_kwd",
    "class_kwd",
    "new_kwd",
    "as_kwd",
    "module_kwd",
    "loop_kwd",
    "while_kwd",
    "for_kwd",
    "in_kwd",
    "break_kwd",
    "self_kwd",
    "if_kwd",
    "else_kwd",

    "true_kwd",
    "false_kwd",

    "string",
    "integer",
    "newline",
    "group_start",
    "group_end",
    "typeof",
    "returns",
    "dot",
    "comma",
    "equal",

    "addition",
    "subtraction",
    "multiplication",
    "integer_division",
    "division",
    "equality",
    "inequality",
    "smaller_than",
    "smaller_than_or_equal_to",
    "greater_than",
    "greater_than_or_equal_to",

    "logical_negation",
])

TREE = Node()
NEWLINE_CHAR = "\n"

# Ignore whitespace
WHITESPACE = set(" \t")

TREE.links.append((TREE, lambda c: c in WHITESPACE))

# Comments
COMMENT_CHAR = "#"

node = Node(token_type=Tokens.comment)
TREE.links.append((node, lambda c: c == COMMENT_CHAR))
node.links.append((node, lambda c: c != NEWLINE_CHAR))

# Strings
FORMAT_STRING_CHAR = "\""

node = Node()
TREE.links.append((node, lambda c: c == FORMAT_STRING_CHAR))
node.links.append((node, lambda c: c != FORMAT_STRING_CHAR))
end_node = Node(token_type=Tokens.string, verify=lambda s: s[1:-1])
node.links.append((end_node, lambda c: c == FORMAT_STRING_CHAR))

# WYSIWYG Strings
WYSIWYG_STRING_CHAR = "`"

node = Node()
TREE.links.append((node, lambda c: c == WYSIWYG_STRING_CHAR))
node.links.append((node, lambda c: c != WYSIWYG_STRING_CHAR))
end_node = Node(token_type=Tokens.string, verify=lambda s: s[1:-1])
node.links.append((end_node, lambda c: c == WYSIWYG_STRING_CHAR))

# Direct maps
# Must be ordered by length for duplicated characters
DIRECT_MAP = [
    # Operators
    ("+", Tokens.addition),
    ("-", Tokens.subtraction),
    ("*", Tokens.multiplication),
    ("//", Tokens.integer_division),
    ("/", Tokens.division),
    ("==", Tokens.equality),
    ("!=", Tokens.inequality),<commit_msg>Added escape sequence handling to lexer, separating formatted and non-formatted strings<commit_after>from enum import Enum
import string
from io import IOBase

from ..errors import *

#
# Constants
#

Node = None
class Node:
    links = None
    token_type = None
    verify = None

    def __init__(self, links:[(Node, "func"),] = None, token_type = None, verify = None):
        links = links or []
        self.links = links
        self.token_type = token_type
        self.verify = verify

    def evaluate(self, character):
        out = []
        for target, condition in self.links:
            if condition(character):
                out.append(target)
        return out

    def getToken(self, start, stop, value):
        if self.verify is not None:
            value = self.verify(value)

        if self.token_type is not None:
            return Token(self.token_type, start, stop, value)
        return None

    def __repr__(self):
        return "Node(token:{})".format(self.token_type, self.links)

Tokens = Enum("Tokens", [
    "comment",

    "identifier",
    "def_kwd",
    "end_kwd",
    "return_kwd",
    "class_kwd",
    "new_kwd",
    "as_kwd",
    "module_kwd",
    "loop_kwd",
    "while_kwd",
    "for_kwd",
    "in_kwd",
    "break_kwd",
    "self_kwd",
    "if_kwd",
    "else_kwd",

    "true_kwd",
    "false_kwd",

    "string",
    "format_string",
    "integer",
    "newline",
    "group_start",
    "group_end",
    "typeof",
    "returns",
    "dot",
    "comma",
    "equal",

    "addition",
    "subtraction",
    "multiplication",
    "integer_division",
    "division",
    "equality",
    "inequality",
    "smaller_than",
    "smaller_than_or_equal_to",
    "greater_than",
    "greater_than_or_equal_to",

    "logical_negation",
])

TREE = Node()
NEWLINE_CHAR = "\n"

# Ignore whitespace
WHITESPACE = set(" \t")

TREE.links.append((TREE, lambda c: c in WHITESPACE))

# Comments
COMMENT_CHAR = "#"

node = Node(token_type=Tokens.comment)
TREE.links.append((node, lambda c: c == COMMENT_CHAR))
node.links.append((node, lambda c: c != NEWLINE_CHAR))

# Strings
FORMAT_STRING_CHAR = "\""
FORMAT_STRING_ESCAPE_CHAR = "\\"

node = Node()
TREE.links.append((node, lambda c: c == FORMAT_STRING_CHAR))
node.links.append((node, lambda c: c != FORMAT_STRING_CHAR and c != FORMAT_STRING_ESCAPE_CHAR))

escape = Node()
node.links.append((escape, lambda c: c == FORMAT_STRING_ESCAPE_CHAR))
escape.links.append((node, lambda c: True))

end_node = Node(token_type=Tokens.format_string, verify=lambda s: s[1:-1])
node.links.append((end_node, lambda c: c == FORMAT_STRING_CHAR))

# WYSIWYG Strings
WYSIWYG_STRING_CHAR = "`"

node = Node()
TREE.links.append((node, lambda c: c == WYSIWYG_STRING_CHAR))
node.links.append((node, lambda c: c != WYSIWYG_STRING_CHAR))
end_node = Node(token_type=Tokens.string, verify=lambda s: s[1:-1])
node.links.append((end_node, lambda c: c == WYSIWYG_STRING_CHAR))

# Direct maps
# Must be ordered by length for duplicated characters
DIRECT_MAP = [
    # Operators
    ("+", Tokens.addition),
    ("-", Tokens.subtraction),
    ("*", Tokens.multiplication),
    ("//", Tokens.integer_division),
    ("/", Tokens.division),
    ("==", Tokens.equality),
    ("!=", Tokens.inequality),
{'fraction_non_alphanumeric': 0.14777131782945738, 'fraction_numerical': 0.0012919896640826874, 'mean_word_length': 3.153588195841717, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4366907', 'n_tokens_mistral': 2223, 'n_tokens_neox': 2194, 'n_words': 475}