all repos — min @ 8bf2154657c0209e53cf153865a0874223de1ee9

A small but practical concatenative programming language.

minpkg/lib/min_dict.nim

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import
  std/critbits
import
  ../core/parser,
  ../core/value,
  ../core/interpreter,
  ../core/utils

proc dict_module*(i: In) =

  let def = i.define()

  def.symbol("has?") do (i: In):
    let vals = i.expect("'sym", "dict")
    let k = vals[0]
    let d = vals[1]
    i.push d.dhas(k).newVal

  def.symbol("get") do (i: In):
    let vals = i.expect("'sym", "dict")
    let k = vals[0]
    let d = vals[1]
    i.push i.dget(d, k)

  def.symbol("get-raw") do (i: In):
    let vals = i.expect("'sym", "dict")
    let k = vals[0]
    let d = vals[1]
    let v = i.dget(d, k)
    var rv = newDict(i.scope)
    rv.objType = "rawval"
    i.dset(rv, "type", v.typeName.newVal)
    i.dset(rv, "val", v)
    i.dset(rv, "str", newVal($v))
    i.push rv

  def.symbol("set") do (i: In):
    let vals = i.expect("'sym", "a", "dict")
    let k = vals[0]
    let m = vals[1]
    var d = vals[2]
    i.push i.dset(d, k, m)

  def.symbol("set-sym") do (i: In):
    let vals = i.expect("'sym", "'sym", "dict")
    let k = vals[0]
    let m = newSym(vals[1].getString)
    var d = vals[2]
    i.push i.dset(d, k, m)

  def.symbol("del") do (i: In):
    let vals = i.expect("'sym", "dict")
    let k = vals[0]
    var d = vals[1]
    i.push i.ddel(d, k)

  def.symbol("keys") do (i: In):
    let vals = i.expect("dict")
    let d = vals[0]
    i.push i.keys(d)

  def.symbol("values") do (i: In):
    let vals = i.expect("dict")
    let d = vals[0]
    i.push i.values(d)

  def.symbol("pairs") do (i: In):
    let vals = i.expect("dict")
    let d = vals[0]
    i.push i.pairs(d)

  def.symbol("dup") do (i: In):
    let vals = i.expect("dict")
    let d = vals[0]
    var r = newDict(i.scope)
    for item in d.dVal.pairs:
      r.scope.symbols[item.key] = item.val
    i.push r

  def.symbol("pick") do (i: In):
    let vals = i.expect("quot", "dict")
    var q = vals[0]
    var d = vals[1]
    var res = newDict(i.scope)
    for k in q.qVal:
      if d.dhas(k):
        i.dset(res, k, i.dget(d, k))
    i.push res

  def.symbol("type") do (i: In):
    let vals = i.expect("dict")
    i.push vals[0].objType.newVal

  def.finalize("dict")