all repos — min @ a0894a184e135b97649ee65977582137a9f20008

A small but practical concatenative programming language.

lib/strings.nim

 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 
import tables, strutils
import ../core/parser, ../core/interpreter, ../core/utils
import ../vendor/slre

minsym "split":
  let sep = i.pop
  let s = i.pop
  if s.isString and sep.isString:
    for e in s.strVal.split(sep.strVal):
      i.push e.newVal
  else:
    i.error errIncorrect, "Two strings are required on the stack"

minsym "match":
  let reg = i.pop
  let str = i.pop
  if str.isString and reg.isString:
    var matches = str.strVal.match(reg.strVal)
    var res = newSeq[TMinValue](0)
    for s in matches:
      res.add s.newVal
    i.push res.newVal
  else:
    i.error(errIncorrect, "Two strings are required on the stack")

minsym "match?":
  let reg = i.pop
  let str = i.pop
  if str.isString and reg.isString:
    var matches = str.strVal.match(reg.strVal)
    if matches.len > 0:
      i.push true.newVal
    else:
      i.push false.newVal
  else:
    i.error(errIncorrect, "Two strings are required on the stack")

minsym "replace":
  let s_replace = i.pop
  let reg = i.pop
  let s_find = i.pop
  if reg.isString and s_replace.isString and s_find.isString:
    i.push s_find.strVal.gsub(reg.strVal, s_replace.strVal).newVal
  else:
    i.error(errIncorrect, "Three strings are required on the stack")