<commit_before># The interpreter of the scripting language used in the system

import types, objects, tables, strutils, math, sequtils

type
  TokenType = enum
    OPAREN_TOK, CPAREN_TOK,
    ATOM_TOK, QUOTE_TOK

  Token = object
    ttype: TokenType
    image: string
    pos: CodePosition

  MParseError* = object of Exception

  MParser* = ref object
    code: string
    tokens: seq[Token]
    tindex: int

proc `$`*(token: Token): string =
  token.image

proc nextCol(pos: var CodePosition) =
  pos.col += 1

proc nextLine(pos: var CodePosition) =
  pos.line += 1
  pos.col = 1

## LEXER

template addtoken {.immediate.} =
  result.add(curToken)
  curToken = Token(ttype: ATOM_TOK, image: "", pos: pos)

template addword {.immediate.} =
  if curWord.len > 0:
    curToken.ttype = ATOM_TOK
    curToken.image = curWord
    addtoken()
    curWord = ""

proc lex*(code: string): seq[Token] =
  newSeq(result, 0)
  var
    curToken = Token(ttype: ATOM_TOK, image: "")
    curWord = ""
    strMode = false
    commentMode = false
    skipNext = false

    pos: CodePosition = (1, 1)

  for idx, c in code & " ":
    pos.nextCol()
    if strMode:
      if c == '"' and not skipNext:
        curWord &= "\""
        strMode = false
      elif c == '\\' and not skipNext:
        skipNext = true
      else:
        if skipNext and c == 'n':
          curWord &= "\n"
        else:
          curWord &= $c

        if skipNext: skipNext = false
    elif commentMode:
      if c == "\n"[0]:
        commentMode = false
    else:
      if c in Whitespace:
        addword()
        if c & "" == "\n": # why nim
          pos.nextLine()
      elif c == '\'' and curWord.len == 0:<commit_msg>Add some more backslash escapes in strings<commit_after># The interpreter of the scripting language used in the system

import types, objects, tables, strutils, math, sequtils

type
  TokenType = enum
    OPAREN_TOK, CPAREN_TOK,
    ATOM_TOK, QUOTE_TOK

  Token = object
    ttype: TokenType
    image: string
    pos: CodePosition

  MParseError* = object of Exception

  MParser* = ref object
    code: string
    tokens: seq[Token]
    tindex: int

proc `$`*(token: Token): string =
  token.image

proc nextCol(pos: var CodePosition) =
  pos.col += 1

proc nextLine(pos: var CodePosition) =
  pos.line += 1
  pos.col = 1

## LEXER

template addtoken {.immediate.} =
  result.add(curToken)
  curToken = Token(ttype: ATOM_TOK, image: "", pos: pos)

template addword {.immediate.} =
  if curWord.len > 0:
    curToken.ttype = ATOM_TOK
    curToken.image = curWord
    addtoken()
    curWord = ""

proc lex*(code: string): seq[Token] =
  newSeq(result, 0)
  var
    curToken = Token(ttype: ATOM_TOK, image: "")
    curWord = ""
    strMode = false
    commentMode = false
    skipNext = false

    pos: CodePosition = (1, 1)

  for idx, c in code & " ":
    pos.nextCol()
    if strMode:
      if c == '"' and not skipNext:
        curWord &= "\""
        strMode = false
      elif c == '\\' and not skipNext:
        skipNext = true
      else:
        if skipNext:
          if c == 'n':
            curWord &= "\n"
          elif c == '"':
            curWord &= "\""
          elif c == '\\':
            curWord &= "\\"
          else:
            raise newException(MParseError, "invalid escape \\" & c)
        else:
          curWord &= $c

        if skipNext: skipNext = false
    elif commentMode:
      if c == "\n"[0]:
        commentMode = false
    else:
      if c in Whitespace:
        addword()
        if c & "" == "\n": # why nim
          pos.nextLine()
      elif c == '\'' and curWord.len == 0:
{'fraction_non_alphanumeric': 0.12239800166527894, 'fraction_numerical': 0.004995836802664446, 'mean_word_length': 2.1503496503496504, 'pattern_counts': {'":': 4, '<': 3, '<?xml version=': 0, '>': 5, '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': '1828511', 'n_tokens_mistral': 1242, 'n_tokens_neox': 1203, 'n_words': 361}